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/webmessaging/broadcastchannel/cross-partition.https.tentative.html.ini

@@ -0,0 +1,16 @@
+[cross-partition.https.tentative.html]
+  expected: TIMEOUT
+  [BroadcastChannel messages aren't received from a cross-partition iframe]
+    expected: FAIL
+
+  [BroadcastChannel messages aren't received from a nested iframe with a cross-site ancestor]
+    expected: FAIL
+
+  [BroadcastChannel messages aren't received from a cross-partition dedicated worker]
+    expected: FAIL
+
+  [BroadcastChannel messages aren't received from a cross-partition shared worker]
+    expected: TIMEOUT
+
+  [BroadcastChannel messages aren't received from a cross-partition service worker]
+    expected: NOTRUN

tests/wpt/meta/webmessaging/broadcastchannel/opaque-origin.html.ini

@@ -0,0 +1,13 @@
+[opaque-origin.html]
+  expected: TIMEOUT
+  [Opaque origin should be serialized to "null"]
+    expected: TIMEOUT
+
+  [BroadcastChannel messages from opaque origins should be self-contained]
+    expected: NOTRUN
+
+  [BroadcastChannel messages from data URL dedicated workers should be self-contained]
+    expected: NOTRUN
+
+  [BroadcastChannel messages from data URL shared workers should be self-contained]
+    expected: NOTRUN

tests/wpt/meta/webmessaging/broadcastchannel/ordering.html.ini

@@ -0,0 +1,3 @@
+[ordering.html]
+  [Messages are delivered in port creation order across multiple frames]
+    expected: FAIL

tests/wpt/meta/webmessaging/broadcastchannel/service-worker.https.html.ini

@@ -0,0 +1,3 @@
+[service-worker.https.html]
+  [BroadcastChannel works in service workers]
+    expected: FAIL

tests/wpt/meta/webmessaging/broadcastchannel/workers.html.ini

@@ -0,0 +1,9 @@
+[workers.html]
+  [BroadcastChannel works in shared workers]
+    expected: FAIL
+
+  [BroadcastChannel messages from closed worker to parent should be ignored (BC created before closing)]
+    expected: FAIL
+
+  [BroadcastChannel messages from closed worker to parent should be ignored (BC created after closing)]
+    expected: FAIL

tests/wpt/meta/webmessaging/message-channels/user-activation.tentative.any.js.ini

@@ -0,0 +1,8 @@
+[user-activation.tentative.any.worker.html]
+  [user activation messagechannel test]
+    expected: FAIL
+
+
+[user-activation.tentative.any.html]
+  [user activation messagechannel test]
+    expected: FAIL

tests/wpt/meta/webmessaging/postMessage_CryptoKey_insecure.sub.html.ini

@@ -0,0 +1,4 @@
+[postMessage_CryptoKey_insecure.sub.html]
+  expected: TIMEOUT
+  [insecure context should not receive an object for secure contexts only]
+    expected: TIMEOUT

tests/wpt/meta/webmessaging/with-ports/017.html.ini

@@ -0,0 +1,4 @@
+[017.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, about:blank]
+    expected: TIMEOUT

tests/wpt/meta/webmessaging/with-ports/018.html.ini

@@ -0,0 +1,4 @@
+[018.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, javascript:]
+    expected: TIMEOUT

tests/wpt/meta/webmessaging/without-ports/017.html.ini

@@ -0,0 +1,4 @@
+[017.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, about:blank]
+    expected: TIMEOUT

tests/wpt/meta/webmessaging/without-ports/018.html.ini

@@ -0,0 +1,4 @@
+[018.html]
+  expected: TIMEOUT
+  [origin of the script that invoked the method, javascript:]
+    expected: TIMEOUT