diff --git a/tests/wpt/include.ini b/tests/wpt/include.ini
index 34b46888286..04ad8c201cb 100644
--- a/tests/wpt/include.ini
+++ b/tests/wpt/include.ini
@@ -176,6 +176,8 @@ skip: true
           skip: true
         [moving-between-documents]
           skip: true
+[import-maps]
+  skip: false
 [intersection-observer]
   skip: false
 [js]
diff --git a/tests/wpt/meta/import-maps/acquiring/dynamic-import.html.ini b/tests/wpt/meta/import-maps/acquiring/dynamic-import.html.ini
new file mode 100644
index 00000000000..b488e81d346
--- /dev/null
+++ b/tests/wpt/meta/import-maps/acquiring/dynamic-import.html.ini
@@ -0,0 +1,3 @@
+[dynamic-import.html]
+  [After a dynamic import(), import maps work fine]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/acquiring/modulepreload-link-header.html.ini b/tests/wpt/meta/import-maps/acquiring/modulepreload-link-header.html.ini
new file mode 100644
index 00000000000..641fcc1c299
--- /dev/null
+++ b/tests/wpt/meta/import-maps/acquiring/modulepreload-link-header.html.ini
@@ -0,0 +1,3 @@
+[modulepreload-link-header.html]
+  [With modulepreload link header, import maps work fine]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/acquiring/modulepreload.html.ini b/tests/wpt/meta/import-maps/acquiring/modulepreload.html.ini
new file mode 100644
index 00000000000..86ef2264330
--- /dev/null
+++ b/tests/wpt/meta/import-maps/acquiring/modulepreload.html.ini
@@ -0,0 +1,3 @@
+[modulepreload.html]
+  [After <link rel=modulepreload> import maps should work fine]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/acquiring/script-tag-inline.html.ini b/tests/wpt/meta/import-maps/acquiring/script-tag-inline.html.ini
new file mode 100644
index 00000000000..ca97b388d28
--- /dev/null
+++ b/tests/wpt/meta/import-maps/acquiring/script-tag-inline.html.ini
@@ -0,0 +1,3 @@
+[script-tag-inline.html]
+  [After inline <script type="module"> import maps work fine]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/acquiring/script-tag.html.ini b/tests/wpt/meta/import-maps/acquiring/script-tag.html.ini
new file mode 100644
index 00000000000..a10339dee6e
--- /dev/null
+++ b/tests/wpt/meta/import-maps/acquiring/script-tag.html.ini
@@ -0,0 +1,3 @@
+[script-tag.html]
+  [After <script type="module"> import maps work fine]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/acquiring/worker-request.html.ini b/tests/wpt/meta/import-maps/acquiring/worker-request.html.ini
new file mode 100644
index 00000000000..acfe3b93921
--- /dev/null
+++ b/tests/wpt/meta/import-maps/acquiring/worker-request.html.ini
@@ -0,0 +1,3 @@
+[worker-request.html]
+  [After module worker creation import maps are still effective]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/bare-specifiers.sub.html.ini b/tests/wpt/meta/import-maps/bare-specifiers.sub.html.ini
new file mode 100644
index 00000000000..694739a32ce
--- /dev/null
+++ b/tests/wpt/meta/import-maps/bare-specifiers.sub.html.ini
@@ -0,0 +1,27 @@
+[bare-specifiers.sub.html]
+  [bare/bare: static import]
+    expected: FAIL
+
+  [bare/bare: dynamic import (from module)]
+    expected: FAIL
+
+  [bare/bare: dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [bare/cross-origin-bare: static import]
+    expected: FAIL
+
+  [bare/cross-origin-bare: dynamic import (from module)]
+    expected: FAIL
+
+  [bare/cross-origin-bare: dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [bare/to-data: static import]
+    expected: FAIL
+
+  [bare/to-data: dynamic import (from module)]
+    expected: FAIL
+
+  [bare/to-data: dynamic import (from text/javascript)]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/csp/applied-to-target-dynamic.sub.html.ini b/tests/wpt/meta/import-maps/csp/applied-to-target-dynamic.sub.html.ini
new file mode 100644
index 00000000000..4fe2bd6bb65
--- /dev/null
+++ b/tests/wpt/meta/import-maps/csp/applied-to-target-dynamic.sub.html.ini
@@ -0,0 +1,6 @@
+[applied-to-target-dynamic.sub.html]
+  [The URL after mapping violates CSP (but not the URL before mapping)]
+    expected: FAIL
+
+  [The URL before mapping violates CSP (but not the URL after mapping)]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/csp/applied-to-target.sub.html.ini b/tests/wpt/meta/import-maps/csp/applied-to-target.sub.html.ini
new file mode 100644
index 00000000000..4f542732aae
--- /dev/null
+++ b/tests/wpt/meta/import-maps/csp/applied-to-target.sub.html.ini
@@ -0,0 +1,6 @@
+[applied-to-target.sub.html]
+  [The URL after mapping violates CSP (but not the URL before mapping)]
+    expected: FAIL
+
+  [The URL before mapping violates CSP (but not the URL after mapping)]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/csp/hash.html.ini b/tests/wpt/meta/import-maps/csp/hash.html.ini
new file mode 100644
index 00000000000..38f9350f959
--- /dev/null
+++ b/tests/wpt/meta/import-maps/csp/hash.html.ini
@@ -0,0 +1,3 @@
+[hash.html]
+  [Importmap should be accepted due to hash]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/csp/nonce.html.ini b/tests/wpt/meta/import-maps/csp/nonce.html.ini
new file mode 100644
index 00000000000..03f364f1d9e
--- /dev/null
+++ b/tests/wpt/meta/import-maps/csp/nonce.html.ini
@@ -0,0 +1,3 @@
+[nonce.html]
+  [Importmap should be accepted according to its correct nonce]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/csp/unsafe-inline.html.ini b/tests/wpt/meta/import-maps/csp/unsafe-inline.html.ini
new file mode 100644
index 00000000000..3ffb9f9c05c
--- /dev/null
+++ b/tests/wpt/meta/import-maps/csp/unsafe-inline.html.ini
@@ -0,0 +1,3 @@
+[unsafe-inline.html]
+  [Importmap should be accepted due to unsafe-inline]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/data-driven/resolving.html.ini b/tests/wpt/meta/import-maps/data-driven/resolving.html.ini
new file mode 100644
index 00000000000..267d40ead2e
--- /dev/null
+++ b/tests/wpt/meta/import-maps/data-driven/resolving.html.ini
@@ -0,0 +1,517 @@
+[resolving.html?packages-via-trailing-slashes.json]
+  [Package-like scenarios: package main modules: moment]
+    expected: FAIL
+
+  [Package-like scenarios: package main modules: lodash-dot]
+    expected: FAIL
+
+  [Package-like scenarios: package main modules: lodash-dotdot]
+    expected: FAIL
+
+  [Package-like scenarios: package submodules: moment/foo]
+    expected: FAIL
+
+  [Package-like scenarios: package submodules: moment/foo?query]
+    expected: FAIL
+
+  [Package-like scenarios: package submodules: moment/foo#fragment]
+    expected: FAIL
+
+  [Package-like scenarios: package submodules: moment/foo?query#fragment]
+    expected: FAIL
+
+  [Package-like scenarios: package submodules: lodash-dot/foo]
+    expected: FAIL
+
+  [Package-like scenarios: package submodules: lodash-dotdot/foo]
+    expected: FAIL
+
+  [Package-like scenarios: package names that end in a slash should just pass through: moment/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/path]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/path/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/path/../207/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/path/WICG/import-maps/issues/207/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/path//WICG/import-maps/issues/207/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/non-ascii-1/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/non-ascii-1/../%E3%81%8D%E3%81%A4%E3%81%AD/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/non-ascii-1/../きつね/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/non-ascii-2/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/non-ascii-2/../%E3%81%8D%E3%81%A4%E3%81%AD/]
+    expected: FAIL
+
+  [Package-like scenarios: backtracking via ..: mapped/non-ascii-2/../きつね/]
+    expected: FAIL
+
+
+[resolving.html?resolving-null.json]
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: null/x]
+    expected: FAIL
+
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: null/b/c/x]
+    expected: FAIL
+
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: invalid-url/x]
+    expected: FAIL
+
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: invalid-url/b/c/x]
+    expected: FAIL
+
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: without-trailing-slashes/x]
+    expected: FAIL
+
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: without-trailing-slashes/b/c/x]
+    expected: FAIL
+
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: prefix-resolution-error/x]
+    expected: FAIL
+
+  [Entries with errors shouldn't allow fallback: No fallback to less-specific prefixes: prefix-resolution-error/b/c/x]
+    expected: FAIL
+
+
+[resolving.html?url-specifiers.json]
+  [URL-like specifiers: Ordinary URL-like specifiers: https://example.com/lib/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: Ordinary URL-like specifiers: https://///example.com/lib/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: Ordinary URL-like specifiers: /lib/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: Ordinary URL-like specifiers: https://example.com/app/dotrelative/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: Ordinary URL-like specifiers: ../app/dotrelative/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: Ordinary URL-like specifiers: https://example.com/dotdotrelative/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: Ordinary URL-like specifiers: ../dotdotrelative/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: Import map entries just composed from / and .: https://example.com/]
+    expected: FAIL
+
+  [URL-like specifiers: Import map entries just composed from / and .: /]
+    expected: FAIL
+
+  [URL-like specifiers: Import map entries just composed from / and .: ../]
+    expected: FAIL
+
+  [URL-like specifiers: Import map entries just composed from / and .: https://example.com/app/]
+    expected: FAIL
+
+  [URL-like specifiers: Import map entries just composed from / and .: /app/]
+    expected: FAIL
+
+  [URL-like specifiers: Import map entries just composed from / and .: ../app/]
+    expected: FAIL
+
+  [URL-like specifiers: prefix-matched by keys with trailing slashes: /test/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: prefix-matched by keys with trailing slashes: https://example.com/app/test/foo.mjs]
+    expected: FAIL
+
+  [URL-like specifiers: should use the last entry's address when URL-like specifiers parse to the same absolute URL: /test]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (relative URLs): /test/..]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (relative URLs): /test/../backtrack]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (relative URLs): /test/../../backtrack]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (relative URLs): /test/../../../backtrack]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (absolute URLs): https://example.com/test/..]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (absolute URLs): https://example.com/test/../backtrack]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (absolute URLs): https://example.com/test/../../backtrack]
+    expected: FAIL
+
+  [URL-like specifiers: backtracking (absolute URLs): https://example.com/test/../../../backtrack]
+    expected: FAIL
+
+
+[resolving.html?url-specifiers-schemes.json]
+  [URL-like specifiers: Non-special vs. special schemes: data:text/javascript,console.log('foo')]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: data:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: about:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: about:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: blob:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: blob:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: blah:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: blah:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: http:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: http:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: https:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: https:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: ftp:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: ftp:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: file:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: file:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: ws:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: ws:text/]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: wss:text/foo]
+    expected: FAIL
+
+  [URL-like specifiers: Non-special vs. special schemes: wss:text/]
+    expected: FAIL
+
+
+[resolving.html?scopes-exact-vs-prefix.json]
+  [Exact vs. prefix based matching: Scope without trailing slash only: Non-trailing-slash base URL (exact match): moment]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scope without trailing slash only: Non-trailing-slash base URL (exact match): moment/foo]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scope with trailing slash only: Trailing-slash base URL (exact match): moment]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scope with trailing slash only: Trailing-slash base URL (exact match): moment/foo]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scope with trailing slash only: Subpath base URL (prefix match): moment]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scope with trailing slash only: Subpath base URL (prefix match): moment/foo]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scopes with and without trailing slash: Non-trailing-slash base URL (exact match): moment]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scopes with and without trailing slash: Non-trailing-slash base URL (exact match): moment/foo]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scopes with and without trailing slash: Trailing-slash base URL (exact match): moment]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scopes with and without trailing slash: Trailing-slash base URL (exact match): moment/foo]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scopes with and without trailing slash: Subpath base URL (prefix match): moment]
+    expected: FAIL
+
+  [Exact vs. prefix based matching: Scopes with and without trailing slash: Subpath base URL (prefix match): moment/foo]
+    expected: FAIL
+
+
+[resolving.html?tricky-specifiers.json]
+  [Tricky specifiers: explicitly-mapped specifiers that happen to have a slash: package/withslash]
+    expected: FAIL
+
+  [Tricky specifiers: specifier with punctuation: .]
+    expected: FAIL
+
+  [Tricky specifiers: specifier with punctuation: ..]
+    expected: FAIL
+
+  [Tricky specifiers: specifier with punctuation: ..\\]
+    expected: FAIL
+
+  [Tricky specifiers: specifier with punctuation: %2E]
+    expected: FAIL
+
+  [Tricky specifiers: specifier with punctuation: %2F]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/%E3%81%8D%E3%81%A4%E3%81%AD/]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/%E3%81%8D%E3%81%A4%E3%81%AD/bar]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/%E3%81%8D%E3%81%A4%E3%81%AD/fox/]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/%E3%81%8D%E3%81%A4%E3%81%AD/fox/bar]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/きつね/]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/きつね/bar]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/きつね/fox/]
+    expected: FAIL
+
+  [Tricky specifiers: URL-like specifiers are normalized: https://map.example/きつね/fox/bar]
+    expected: FAIL
+
+  [Tricky specifiers: Bare specifiers are not normalized: %E3%81%8D%E3%81%A4%E3%81%AD/]
+    expected: FAIL
+
+  [Tricky specifiers: Bare specifiers are not normalized: %E3%81%8D%E3%81%A4%E3%81%AD/bar]
+    expected: FAIL
+
+  [Tricky specifiers: Bare specifiers are not normalized: %E3%81%8D%E3%81%A4%E3%81%AD/fox/]
+    expected: FAIL
+
+  [Tricky specifiers: Bare specifiers are not normalized: %E3%81%8D%E3%81%A4%E3%81%AD/fox/bar]
+    expected: FAIL
+
+  [Tricky specifiers: Bare specifiers are not normalized: きつね/fox/]
+    expected: FAIL
+
+  [Tricky specifiers: Bare specifiers are not normalized: きつね/fox/bar]
+    expected: FAIL
+
+
+[resolving.html?scopes.json]
+  [Fallback to toplevel and between scopes: should fall back to `imports` when no scopes match: a]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should fall back to `imports` when no scopes match: b]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should fall back to `imports` when no scopes match: c]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should fall back to `imports` when no scopes match: d]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use a direct scope override: a]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use a direct scope override: b]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use a direct scope override: c]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use a direct scope override: d]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use an indirect scope override: a]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use an indirect scope override: b]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use an indirect scope override: c]
+    expected: FAIL
+
+  [Fallback to toplevel and between scopes: should use an indirect scope override: d]
+    expected: FAIL
+
+  [Relative URL scope keys: An empty string scope is a scope with import map base URL: a]
+    expected: FAIL
+
+  [Relative URL scope keys: An empty string scope is a scope with import map base URL: b]
+    expected: FAIL
+
+  [Relative URL scope keys: An empty string scope is a scope with import map base URL: c]
+    expected: FAIL
+
+  [Relative URL scope keys: './' scope is a scope with import map base URL's directory: a]
+    expected: FAIL
+
+  [Relative URL scope keys: './' scope is a scope with import map base URL's directory: b]
+    expected: FAIL
+
+  [Relative URL scope keys: './' scope is a scope with import map base URL's directory: c]
+    expected: FAIL
+
+  [Relative URL scope keys: '../' scope is a scope with import map base URL's parent directory: a]
+    expected: FAIL
+
+  [Relative URL scope keys: '../' scope is a scope with import map base URL's parent directory: b]
+    expected: FAIL
+
+  [Relative URL scope keys: '../' scope is a scope with import map base URL's parent directory: c]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs inside the scope should use the scope if the scope has matching keys: lodash-dot]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs inside the scope should use the scope if the scope has matching keys: lodash-dot/foo]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs inside the scope should use the scope if the scope has matching keys: lodash-dotdot]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs inside the scope should use the scope if the scope has matching keys: lodash-dotdot/foo]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs inside the scope fallback to less specific scope: moment]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs inside the scope fallback to less specific scope: vue]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs inside the scope fallback to toplevel: moment/foo]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs outside a scope shouldn't use the scope even if the scope has matching keys: lodash-dot]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs outside a scope shouldn't use the scope even if the scope has matching keys: lodash-dotdot]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs outside a scope shouldn't use the scope even if the scope has matching keys: lodash-dot/foo]
+    expected: FAIL
+
+  [Package-like scenarios: Base URLs outside a scope shouldn't use the scope even if the scope has matching keys: lodash-dotdot/foo]
+    expected: FAIL
+
+  [Package-like scenarios: Fallback to toplevel or not, depending on trailing slash match: moment]
+    expected: FAIL
+
+  [Package-like scenarios: Fallback to toplevel or not, depending on trailing slash match: moment/foo]
+    expected: FAIL
+
+
+[resolving.html?empty-import-map.json]
+  [valid relative specifiers: ./foo]
+    expected: FAIL
+
+  [valid relative specifiers: ./foo/bar]
+    expected: FAIL
+
+  [valid relative specifiers: ./foo/../bar]
+    expected: FAIL
+
+  [valid relative specifiers: ./foo/../../bar]
+    expected: FAIL
+
+  [valid relative specifiers: ../foo]
+    expected: FAIL
+
+  [valid relative specifiers: ../foo/bar]
+    expected: FAIL
+
+  [valid relative specifiers: ../../../foo/bar]
+    expected: FAIL
+
+  [valid relative specifiers: /foo]
+    expected: FAIL
+
+  [valid relative specifiers: /foo/bar]
+    expected: FAIL
+
+  [valid relative specifiers: /../../foo/bar]
+    expected: FAIL
+
+  [valid relative specifiers: /../foo/../bar]
+    expected: FAIL
+
+  [HTTPS scheme absolute URLs: https://fetch-scheme.net]
+    expected: FAIL
+
+  [HTTPS scheme absolute URLs: https:fetch-scheme.org]
+    expected: FAIL
+
+  [HTTPS scheme absolute URLs: https://fetch%2Dscheme.com/]
+    expected: FAIL
+
+  [HTTPS scheme absolute URLs: https://///fetch-scheme.com///]
+    expected: FAIL
+
+  [non-HTTPS fetch scheme absolute URLs: about:fetch-scheme]
+    expected: FAIL
+
+  [non-fetch scheme absolute URLs: about:fetch-scheme]
+    expected: FAIL
+
+  [non-fetch scheme absolute URLs: mailto:non-fetch-scheme]
+    expected: FAIL
+
+  [non-fetch scheme absolute URLs: import:non-fetch-scheme]
+    expected: FAIL
+
+  [non-fetch scheme absolute URLs: javascript:non-fetch-scheme]
+    expected: FAIL
+
+  [non-fetch scheme absolute URLs: wss:non-fetch-scheme]
+    expected: FAIL
+
+
+[resolving.html?overlapping-entries.json]
+  [should favor the most-specific key: Overlapping entries with trailing slashes: a]
+    expected: FAIL
+
+  [should favor the most-specific key: Overlapping entries with trailing slashes: a/]
+    expected: FAIL
+
+  [should favor the most-specific key: Overlapping entries with trailing slashes: a/x]
+    expected: FAIL
+
+  [should favor the most-specific key: Overlapping entries with trailing slashes: a/b]
+    expected: FAIL
+
+  [should favor the most-specific key: Overlapping entries with trailing slashes: a/b/]
+    expected: FAIL
+
+  [should favor the most-specific key: Overlapping entries with trailing slashes: a/b/c]
+    expected: FAIL
+
+
+[resolving.html?data-url-prefix.json]
diff --git a/tests/wpt/meta/import-maps/data-url-specifiers.sub.html.ini b/tests/wpt/meta/import-maps/data-url-specifiers.sub.html.ini
new file mode 100644
index 00000000000..15b293c5ffd
--- /dev/null
+++ b/tests/wpt/meta/import-maps/data-url-specifiers.sub.html.ini
@@ -0,0 +1,36 @@
+[data-url-specifiers.sub.html]
+  [data:text/javascript,log.push('data:foo'): static import]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:foo'): dynamic import (from module)]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:foo'): dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:cross-origin-foo'): static import]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:cross-origin-foo'): dynamic import (from module)]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:cross-origin-foo'): dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:to-data'): static import]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:to-data'): dynamic import (from module)]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:to-data'): dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:to-bare'): static import]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:to-bare'): dynamic import (from module)]
+    expected: FAIL
+
+  [data:text/javascript,log.push('data:to-bare'): dynamic import (from text/javascript)]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/dynamic-integrity.html.ini b/tests/wpt/meta/import-maps/dynamic-integrity.html.ini
new file mode 100644
index 00000000000..d79a922c69f
--- /dev/null
+++ b/tests/wpt/meta/import-maps/dynamic-integrity.html.ini
@@ -0,0 +1,15 @@
+[dynamic-integrity.html]
+  [script was not loaded, as its resolved URL failed its integrity check]
+    expected: FAIL
+
+  [script was loaded, as its resolved URL had no integrity check, despite its specifier having one]
+    expected: FAIL
+
+  [Script with no import definition was not loaded, as it failed its integrity check]
+    expected: FAIL
+
+  [Bare specifier used for integrity loaded, as its definition should have used the URL]
+    expected: FAIL
+
+  [Script imported inside an event handler was not loaded as its integrity check failed]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/external-import-map-errors.html.ini b/tests/wpt/meta/import-maps/external-import-map-errors.html.ini
new file mode 100644
index 00000000000..77626ddd626
--- /dev/null
+++ b/tests/wpt/meta/import-maps/external-import-map-errors.html.ini
@@ -0,0 +1,10 @@
+[external-import-map-errors.html]
+  expected: TIMEOUT
+  [Test that an external import map fires an error event]
+    expected: TIMEOUT
+
+  [Test that an external import map fires an error event, regardless of attribute order]
+    expected: NOTRUN
+
+  [Test that an external import map in markup fires an error event]
+    expected: NOTRUN
diff --git a/tests/wpt/meta/import-maps/http-url-like-specifiers.sub.html.ini b/tests/wpt/meta/import-maps/http-url-like-specifiers.sub.html.ini
new file mode 100644
index 00000000000..523cf2c1973
--- /dev/null
+++ b/tests/wpt/meta/import-maps/http-url-like-specifiers.sub.html.ini
@@ -0,0 +1,36 @@
+[http-url-like-specifiers.sub.html]
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=foo: static import]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=foo: dynamic import (from module)]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=foo: dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=cross-origin-foo: static import]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=cross-origin-foo: dynamic import (from module)]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=cross-origin-foo: dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=to-data: static import]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=to-data: dynamic import (from module)]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=to-data: dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=to-bare: static import]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=to-bare: dynamic import (from module)]
+    expected: FAIL
+
+  [http://web-platform.test:8000/import-maps/resources/log.js?pipe=sub&name=to-bare: dynamic import (from text/javascript)]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/import-maps-base-url.sub.html.ini b/tests/wpt/meta/import-maps/import-maps-base-url.sub.html.ini
new file mode 100644
index 00000000000..1b42a2967f2
--- /dev/null
+++ b/tests/wpt/meta/import-maps/import-maps-base-url.sub.html.ini
@@ -0,0 +1,18 @@
+[import-maps-base-url.sub.html]
+  [bare/bare: static import]
+    expected: FAIL
+
+  [bare/bare: dynamic import (from module)]
+    expected: FAIL
+
+  [bare/bare: dynamic import (from text/javascript)]
+    expected: FAIL
+
+  [bare/bare: static import with inject <base>]
+    expected: FAIL
+
+  [bare/bare: dynamic import (from module) with inject <base>]
+    expected: FAIL
+
+  [bare/bare: dynamic import (from text/javascript) with inject <base>]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/module-map-key.html.ini b/tests/wpt/meta/import-maps/module-map-key.html.ini
new file mode 100644
index 00000000000..06e62fdd949
--- /dev/null
+++ b/tests/wpt/meta/import-maps/module-map-key.html.ini
@@ -0,0 +1,3 @@
+[module-map-key.html]
+  [Module map's key is the URL after import map resolution]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/multiple-import-maps/basic.html.ini b/tests/wpt/meta/import-maps/multiple-import-maps/basic.html.ini
new file mode 100644
index 00000000000..7862b50cb31
--- /dev/null
+++ b/tests/wpt/meta/import-maps/multiple-import-maps/basic.html.ini
@@ -0,0 +1,3 @@
+[basic.html]
+  [Second import map should be used for resolution]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/multiple-import-maps/conflict-first-persists.html.ini b/tests/wpt/meta/import-maps/multiple-import-maps/conflict-first-persists.html.ini
new file mode 100644
index 00000000000..cdc83d9ac44
--- /dev/null
+++ b/tests/wpt/meta/import-maps/multiple-import-maps/conflict-first-persists.html.ini
@@ -0,0 +1,9 @@
+[conflict-first-persists.html]
+  [First defined rule persists in case of conflict]
+    expected: FAIL
+
+  [First defined rule persists in case of conflict - prefixed bare specifiers]
+    expected: FAIL
+
+  [First defined rule persists in case of conflict - non-prefix bare specifier]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/multiple-import-maps/resolution-consistency-in-module-tree-inline.html.ini b/tests/wpt/meta/import-maps/multiple-import-maps/resolution-consistency-in-module-tree-inline.html.ini
new file mode 100644
index 00000000000..fc73bb431a3
--- /dev/null
+++ b/tests/wpt/meta/import-maps/multiple-import-maps/resolution-consistency-in-module-tree-inline.html.ini
@@ -0,0 +1,3 @@
+[resolution-consistency-in-module-tree-inline.html]
+  [Module tree that started to download before a new import map should still take it into account]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/multiple-import-maps/resolution-consistency-in-module-tree.html.ini b/tests/wpt/meta/import-maps/multiple-import-maps/resolution-consistency-in-module-tree.html.ini
new file mode 100644
index 00000000000..44f466b7c52
--- /dev/null
+++ b/tests/wpt/meta/import-maps/multiple-import-maps/resolution-consistency-in-module-tree.html.ini
@@ -0,0 +1,3 @@
+[resolution-consistency-in-module-tree.html]
+  [Module tree that started to download before a new import map should still take it into account]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/multiple-import-maps/url-resolution-conflict.html.ini b/tests/wpt/meta/import-maps/multiple-import-maps/url-resolution-conflict.html.ini
new file mode 100644
index 00000000000..4928bbf0d8a
--- /dev/null
+++ b/tests/wpt/meta/import-maps/multiple-import-maps/url-resolution-conflict.html.ini
@@ -0,0 +1,3 @@
+[url-resolution-conflict.html]
+  [Second import map should not override same resolved URL]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/multiple-import-maps/with-errors.html.ini b/tests/wpt/meta/import-maps/multiple-import-maps/with-errors.html.ini
new file mode 100644
index 00000000000..b36e77a859a
--- /dev/null
+++ b/tests/wpt/meta/import-maps/multiple-import-maps/with-errors.html.ini
@@ -0,0 +1,3 @@
+[with-errors.html]
+  [Second import map should be used for resolution even after an import map with errors]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/no-referencing-script-integrity.html.ini b/tests/wpt/meta/import-maps/no-referencing-script-integrity.html.ini
new file mode 100644
index 00000000000..9c15cd3d92d
--- /dev/null
+++ b/tests/wpt/meta/import-maps/no-referencing-script-integrity.html.ini
@@ -0,0 +1,3 @@
+[no-referencing-script-integrity.html]
+  [Script was not loaded as its integrity check failed]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/nonimport-integrity.html.ini b/tests/wpt/meta/import-maps/nonimport-integrity.html.ini
new file mode 100644
index 00000000000..ab44fdee34d
--- /dev/null
+++ b/tests/wpt/meta/import-maps/nonimport-integrity.html.ini
@@ -0,0 +1,22 @@
+[nonimport-integrity.html]
+  expected: TIMEOUT
+  [Script was not loaded as its integrity check was not ignored]
+    expected: FAIL
+
+  [Modulepreload was not loaded as its integrity check was not ignored]
+    expected: TIMEOUT
+
+  [Modulepreload was loaded as its correct integrity attribute was not ignored]
+    expected: NOTRUN
+
+  [Modulepreload was loaded as its empty integrity attribute was not ignored]
+    expected: NOTRUN
+
+  [Modulepreload was not loaded as its bad integrity attribute was not ignored]
+    expected: NOTRUN
+
+  [Classic script was loaded as its integrity check was ignored]
+    expected: NOTRUN
+
+  [Image was loaded as its integrity check was ignored]
+    expected: NOTRUN
diff --git a/tests/wpt/meta/import-maps/not-overridden/dynamic.html.ini b/tests/wpt/meta/import-maps/not-overridden/dynamic.html.ini
new file mode 100644
index 00000000000..7e699f71d60
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/dynamic.html.ini
@@ -0,0 +1,3 @@
+[dynamic.html]
+  [Resolution after import map should not be redefined]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/not-overridden/external-script-bare-descendent.html.ini b/tests/wpt/meta/import-maps/not-overridden/external-script-bare-descendent.html.ini
new file mode 100644
index 00000000000..f7e4dc7b40b
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/external-script-bare-descendent.html.ini
@@ -0,0 +1,2 @@
+[external-script-bare-descendent.html]
+  expected: ERROR
diff --git a/tests/wpt/meta/import-maps/not-overridden/external-script-descendent-with-scope.html.ini b/tests/wpt/meta/import-maps/not-overridden/external-script-descendent-with-scope.html.ini
new file mode 100644
index 00000000000..8c5018d411d
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/external-script-descendent-with-scope.html.ini
@@ -0,0 +1,4 @@
+[external-script-descendent-with-scope.html]
+  expected: ERROR
+  [Testing descendent resolution with scopes]
+    expected: TIMEOUT
diff --git a/tests/wpt/meta/import-maps/not-overridden/external-script-descendent.html.ini b/tests/wpt/meta/import-maps/not-overridden/external-script-descendent.html.ini
new file mode 100644
index 00000000000..000159f981e
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/external-script-descendent.html.ini
@@ -0,0 +1,3 @@
+[external-script-descendent.html]
+  [Resolution after import map should not be redefined]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/not-overridden/failed-resolution.html.ini b/tests/wpt/meta/import-maps/not-overridden/failed-resolution.html.ini
new file mode 100644
index 00000000000..57677ac6e16
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/failed-resolution.html.ini
@@ -0,0 +1,2 @@
+[failed-resolution.html]
+  expected: ERROR
diff --git a/tests/wpt/meta/import-maps/not-overridden/integrity.html.ini b/tests/wpt/meta/import-maps/not-overridden/integrity.html.ini
new file mode 100644
index 00000000000..b14d34be02f
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/integrity.html.ini
@@ -0,0 +1,3 @@
+[integrity.html]
+  [Static script loaded as its integrity check passed]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/not-overridden/prefix.html.ini b/tests/wpt/meta/import-maps/not-overridden/prefix.html.ini
new file mode 100644
index 00000000000..43261627ceb
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/prefix.html.ini
@@ -0,0 +1,3 @@
+[prefix.html]
+  [Prefix resolution after import map should not be redefined]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/not-overridden/script-descendent.html.ini b/tests/wpt/meta/import-maps/not-overridden/script-descendent.html.ini
new file mode 100644
index 00000000000..61b367acd78
--- /dev/null
+++ b/tests/wpt/meta/import-maps/not-overridden/script-descendent.html.ini
@@ -0,0 +1,3 @@
+[script-descendent.html]
+  [Resolution after import map should not be redefined]
+    expected: FAIL
diff --git a/tests/wpt/meta/import-maps/static-integrity.html.ini b/tests/wpt/meta/import-maps/static-integrity.html.ini
new file mode 100644
index 00000000000..21968a74b67
--- /dev/null
+++ b/tests/wpt/meta/import-maps/static-integrity.html.ini
@@ -0,0 +1,12 @@
+[static-integrity.html]
+  [Static script did not load as it failed its integrity check]
+    expected: FAIL
+
+  [Static script loaded as its integrity check passed]
+    expected: FAIL
+
+  [Static script did not load as it failed its integrity check, even without an import defined]
+    expected: FAIL
+
+  [HTML-based module script did not load as its integrity check failed.]
+    expected: FAIL