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/semantics/forms/the-label-element/clicking-interactive-content.html.ini

@@ -0,0 +1,70 @@
+[clicking-interactive-content.html]
+  [interactive content <details></details> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <input> as first child of <label>]
+    expected: FAIL
+
+  [interactive content <select></select> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <iframe></iframe> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <select></select> as first child of <label>]
+    expected: FAIL
+
+  [interactive content <video tabindex=""></video> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <a tabindex=""></a> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <object tabindex=""></object> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <input> deeply nested under <label>]
+    expected: FAIL
+
+  [interactive content <embed> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <object usemap=""></object> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <select></select> deeply nested under <label>]
+    expected: FAIL
+
+  [interactive content <textarea></textarea> as first child of <label>]
+    expected: FAIL
+
+  [interactive content <img usemap=""> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <audio controls=""></audio> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <input type="hidden" tabindex=""> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <video controls=""></video> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <audio tabindex=""></audio> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <div tabindex=""></div> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <input> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <textarea></textarea> deeply nested under <label>]
+    expected: FAIL
+
+  [interactive content <img tabindex=""> as second child under <label>]
+    expected: FAIL
+
+  [interactive content <textarea></textarea> as second child under <label>]
+    expected: FAIL
+