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-legacy-layout/html/semantics/embedded-content/media-elements/interfaces/TextTrack/activeCues.html.ini

@@ -0,0 +1,19 @@
+[activeCues.html]
+  [TextTrack.activeCues, video loading]
+    expected: FAIL
+
+  [TextTrack.activeCues, adding cue during playback]
+    expected: FAIL
+
+  [TextTrack.activeCues, video playing]
+    expected: FAIL
+
+  [TextTrack.activeCues, empty list]
+    expected: FAIL
+
+  [TextTrack.activeCues, different modes]
+    expected: FAIL
+
+  [TextTrack.activeCues, after addCue()]
+    expected: FAIL
+

tests/wpt/meta-legacy-layout/html/semantics/embedded-content/media-elements/interfaces/TextTrack/addCue.html.ini

@@ -0,0 +1,17 @@
+[addCue.html]
+  expected: TIMEOUT
+  [TextTrack.addCue(), adding a cue to two different tracks]
+    expected: FAIL
+
+  [TextTrack.addCue(), adding a cue associated with a track element to other track]
+    expected: TIMEOUT
+
+  [TextTrack.addCue(), adding a removed cue to a different track]
+    expected: FAIL
+
+  [TextTrack.addCue(), adding an associated but removed cue to the same track]
+    expected: FAIL
+
+  [TextTrack.addCue(), adding a cue to a track twice]
+    expected: FAIL
+

tests/wpt/meta-legacy-layout/html/semantics/embedded-content/media-elements/interfaces/TextTrack/cues.html.ini

@@ -0,0 +1,13 @@
+[cues.html]
+  [TextTrack.cues, after addCue()]
+    expected: FAIL
+
+  [TextTrack.cues, different modes]
+    expected: FAIL
+
+  [TextTrack.cues, default attribute]
+    expected: FAIL
+
+  [TextTrack.cues, changing order]
+    expected: FAIL
+

tests/wpt/meta-legacy-layout/html/semantics/embedded-content/media-elements/interfaces/TextTrack/kind.html.ini

@@ -0,0 +1,7 @@
+[kind.html]
+  [TextTrack.kind, \\u0000]
+    expected: FAIL
+
+  [TextTrack.kind, track element]
+    expected: FAIL
+

tests/wpt/meta-legacy-layout/html/semantics/embedded-content/media-elements/interfaces/TextTrack/label.html.ini

@@ -0,0 +1,7 @@
+[label.html]
+  [TextTrack.label, \\u0000]
+    expected: FAIL
+
+  [TextTrack.label]
+    expected: FAIL
+

tests/wpt/meta-legacy-layout/html/semantics/embedded-content/media-elements/interfaces/TextTrack/language.html.ini

@@ -0,0 +1,7 @@
+[language.html]
+  [TextTrack.language, \\u0000]
+    expected: FAIL
+
+  [TextTrack.language]
+    expected: FAIL
+

tests/wpt/meta-legacy-layout/html/semantics/embedded-content/media-elements/interfaces/TextTrack/removeCue.html.ini

@@ -0,0 +1,8 @@
+[removeCue.html]
+  expected: TIMEOUT
+  [TextTrack.removeCue(), cue from track element]
+    expected: TIMEOUT
+
+  [TextTrack.removeCue(), two elementless tracks]
+    expected: FAIL
+