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/css/css-align/default-alignment/parse-justify-items-004.html.ini

@@ -0,0 +1,97 @@
+[parse-justify-items-004.html]
+  [Checking invalid combination - justify-items: unsafe safe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: legacy stretch]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: legacy end]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: baseline normal]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: first baseline center]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: baseline first]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: baseline safe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: last baseline center]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: unsafe safe left]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: auto safe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: legacy left right]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: unsafe stretch]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: space-around]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: normal stretch]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: safe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: unsafe left safe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: left safe unsafe safe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: legacy right unsafe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: center start]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: auto left]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: baseline center]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: legacy auto]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: unsafe unsafe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: stretch unsafe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: safe stretch]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: baseline last]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: stretch right]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: legacy start]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: normal unsafe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: start safe]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: auto]
+    expected: FAIL
+
+  [Checking invalid combination - justify-items: unsafe baseline]
+    expected: FAIL
+