Bug 1998892 [wpt PR 55933] - Update wpt metadata, a=testonly

wpt-pr: 55933
wpt-type: metadata

UltraBlame original commit: 702ec40fbac29f8d153306a9da23185aa933cb6b

Author: marco-c

testing/web-platform/meta/css/css-anchor-position/container-queries/anchored-fallback-try-tactic.html.ini

@@ -6,3 +6,6 @@
 
   [@container anchored(fallback) matching flip-inline flip-block]
     expected: FAIL
+
+  [@container anchored(fallback) matching flip-x flip-y]
+    expected: FAIL

testing/web-platform/meta/css/css-anchor-position/container-queries/at-container-anchored-parsing.html.ini

@@ -10,3 +10,6 @@
 
   [Query condition should be valid: anchored(not ((fallback: --foo) or (fallback: --bar flip-inline)))]
     expected: FAIL
+
+  [Query condition should be valid: anchored(fallback: flip-x flip-y flip-start flip-block flip-inline)]
+    expected: FAIL