Bug 1966770 [wpt PR 52577] - Update wpt metadata,

wpt-pr: 52577
wpt-type: metadata

Differential Revision: https://phabricator.services.mozilla.com/D250639

Author: moz-wptsync-bot

testing/web-platform/meta/css/css-mixins/dashed-function-cycles.html.ini

@@ -73,3 +73,6 @@
 
   [Locals are function specific]
     expected: FAIL
+
+  [Local with self-cycle in unused fallback]
+    expected: FAIL

testing/web-platform/meta/css/css-mixins/local-attr-substitution.html.ini

@@ -19,3 +19,6 @@
 
   [attr() cycle through function]
     expected: FAIL
+
+  [attr() cycle through unused fallback in local]
+    expected: FAIL

testing/web-platform/meta/css/css-values/attr-cycle.html.ini

@@ -47,8 +47,14 @@
   [CSS Values and Units Test: attr 18]
     expected: FAIL
 
-  [CSS Values and Units Test: attr 19]
+  [CSS Values and Units Test: attr 20]
     expected: FAIL
 
-  [CSS Values and Units Test: attr 20]
+  [CSS Values and Units Test: attr 15]
+    expected: FAIL
+
+  [CSS Values and Units Test: attr 17]
+    expected: FAIL
+
+  [CSS Values and Units Test: attr 21]
     expected: FAIL

testing/web-platform/meta/css/css-variables/variable-cycles.html.ini

@@ -1,3 +1,5 @@
 [variable-cycles.html]
   expected:
     if (os == "android") and fission: [OK, TIMEOUT]
+  [Cycle in unused fallback]
+    expected: FAIL

testing/web-platform/meta/css/css-variables/variable-substitution-variable-declaration.html.ini

@@ -28,3 +28,15 @@
   [target9 --varA]
     expected:
       if (os == "linux") and not debug: [PASS, FAIL]
+
+  [target6 --varC]
+    expected: FAIL
+
+  [target7 --varC]
+    expected: FAIL
+
+  [target9 --varB]
+    expected: FAIL
+
+  [target9 --varC]
+    expected: FAIL