Rename metadata directories

This renames:
 - `tests/wpt/metadata` → `tests/wpt/meta-legacy-layout`
 - `tests/wpt/metadata-layout-2020` → `tests/wpt/meta`
 - `tests/wpt/mozilla/meta` → `tests/wpt/mozilla/meta-legacy-layout`
 - `tests/wpt/mozilla/meta-layout-2020` → `tests/wpt/mozilla/meta`

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/eligibility/broadcast-channel.html.ini

@@ -0,0 +1,7 @@
+[broadcast-channel.html]
+  expected: TIMEOUT
+  [Eligibility (BroadcastChannel)]
+    expected: TIMEOUT
+
+  [Eligibility (BroadcastChannel closed in the pagehide event)]
+    expected: NOTRUN

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/eligibility/dedicated-worker.html.ini

@@ -0,0 +1,4 @@
+[dedicated-worker.html]
+  expected: TIMEOUT
+  [Eligibility: dedicated workers]
+    expected: TIMEOUT

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/eligibility/inflight-fetch-1.html.ini

@@ -0,0 +1,7 @@
+[inflight-fetch-1.html]
+  expected: TIMEOUT
+  [Eligibility (in-flight fetch): Header received before BFCache and body received when in BFCache]
+    expected: TIMEOUT
+
+  [Eligibility (in-flight fetch): Header received before BFCache and body received after BFCache]
+    expected: NOTRUN

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/eligibility/inflight-fetch-2.html.ini

@@ -0,0 +1,10 @@
+[inflight-fetch-2.html]
+  expected: TIMEOUT
+  [Eligibility (in-flight fetch): Header and body received when in BFCache]
+    expected: TIMEOUT
+
+  [Eligibility (in-flight fetch): Header received when in BFCache and body received after BFCache]
+    expected: NOTRUN
+
+  [Eligibility (in-flight fetch): Header and body received after BFCache]
+    expected: NOTRUN

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/eligibility/inflight-fetch-cors.html.ini

@@ -0,0 +1,7 @@
+[inflight-fetch-cors.html]
+  expected: TIMEOUT
+  [Eligibility (in-flight fetch): CORS succeeded when in BFCache]
+    expected: TIMEOUT
+
+  [Eligibility (in-flight fetch): CORS failed when in BFCache]
+    expected: NOTRUN

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/eligibility/inflight-fetch-redirects.html.ini

@@ -0,0 +1,13 @@
+[inflight-fetch-redirects.html]
+  expected: TIMEOUT
+  [Eligibility (in-flight fetch): Redirect header received when in BFCache]
+    expected: TIMEOUT
+
+  [Eligibility (in-flight fetch): Redirect header received when in BFCache w/ CSP passing]
+    expected: NOTRUN
+
+  [Eligibility (in-flight fetch): Cross-origin redirect header received when in BFCache]
+    expected: NOTRUN
+
+  [Eligibility (in-flight fetch): Cross-origin redirect header received when in BFCache w/ CSP failing]
+    expected: NOTRUN

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/eligibility/shared-worker.html.ini

@@ -0,0 +1,3 @@
+[shared-worker.html]
+  [Eligibility: shared workers]
+    expected: FAIL

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/events.html.ini

@@ -0,0 +1,16 @@
+[events.html]
+  expected: TIMEOUT
+  [SameOrigin]
+    expected: TIMEOUT
+
+  [SameSite]
+    expected: NOTRUN
+
+  [CrossSite]
+    expected: NOTRUN
+
+  [beforeunload]
+    expected: NOTRUN
+
+  [unload]
+    expected: NOTRUN

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/focus.html.ini

@@ -0,0 +1,4 @@
+[focus.html]
+  expected: TIMEOUT
+  [Focus should be kept when page gets into and out of BFCache]
+    expected: TIMEOUT

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/pushstate.https.html.ini

@@ -0,0 +1,7 @@
+[pushstate.https.html]
+  expected: TIMEOUT
+  [back navigation to pushState()d page (in BFCache)]
+    expected: TIMEOUT
+
+  [back navigation to pushState()d page (not in BFCache)]
+    expected: NOTRUN

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/service-worker-client-postmessage.https.html.ini

@@ -0,0 +1,3 @@
+[service-worker-client-postmessage.https.html]
+  [Client.postMessage while a controlled page is in BFCache]
+    expected: FAIL

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/service-worker-clients-claim.https.html.ini

@@ -0,0 +1,3 @@
+[service-worker-clients-claim.https.html]
+  [Clients.claim() evicts pages that would be affected from BFCache]
+    expected: FAIL

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/service-worker-clients-matchall.https.html.ini

@@ -0,0 +1,3 @@
+[service-worker-clients-matchall.https.html]
+  [Clients.matchAll() should not list pages in BFCache]
+    expected: FAIL

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/service-worker-controlled-after-restore.https.html.ini

@@ -0,0 +1,3 @@
+[service-worker-controlled-after-restore.https.html]
+  [Pages should remain controlled after restored from BFCache]
+    expected: FAIL

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/service-worker-unregister.https.html.ini

@@ -0,0 +1,3 @@
+[service-worker-unregister.https.html]
+  [Unregister service worker while a controlled page is in BFCache]
+    expected: FAIL

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/storage-events.html.ini

@@ -0,0 +1,4 @@
+[storage-events.html]
+  expected: TIMEOUT
+  [Storage events should not be fired for BFCached pages after becoming active]
+    expected: TIMEOUT

tests/wpt/meta/html/browsers/browsing-the-web/back-forward-cache/timers.html.ini

@@ -0,0 +1,4 @@
+[timers.html]
+  expected: TIMEOUT
+  [Timers should be paused when the page is in BFCache]
+    expected: TIMEOUT