Bug 1950096 [wpt PR 50907] - Update wpt metadata, a=testonly

wpt-pr: 50907
wpt-type: metadata

Author: moz-wptsync-bot

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

@@ -55,3 +55,9 @@
 
   [Cycle through various variables and other functions]
     expected: FAIL
+
+  [Function in a cycle with its own default]
+    expected: FAIL
+
+  [Cyclic defaults]
+    expected: FAIL

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

@@ -154,3 +154,15 @@
 
   [Passing non-whole-value {} as argument]
     expected: FAIL
+
+  [Default referencing another parameter]
+    expected: FAIL
+
+  [Default referencing another parameter, local interference]
+    expected: FAIL
+
+  [Default referencing another defaulted parameter]
+    expected: FAIL
+
+  [Typed default with reference]
+    expected: FAIL