Add WPT baseline for import maps (#37388)

Part of #37316

Signed-off-by: Wu Yu Wei <yuweiwu@pm.me>

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

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

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

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

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

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