[test] Enable test status filtering by variant

test/webkit/webkit.status

Index: test/webkit/webkit.status
diff --git a/test/webkit/webkit.status b/test/webkit/webkit.status
index aa08d1fd81212eb975b8e31cc4218ef7a0369935..82823397d25ff895ef3ec05a74f8d8cd8d760707 100644
--- a/test/webkit/webkit.status
+++ b/test/webkit/webkit.status
@@ -112,11 +112,11 @@
 }],  # msan
 
 ##############################################################################
-['ignition_turbofan and msan', {
+['variant == ignition_turbofan and msan', {
   # TODO(mythria,4680): Too slow and timeout on ignition.
   'dfg-double-vote-fuzz': [SKIP],
   'dfg-int-overflow-in-loop': [SKIP],
-}],  # ignition_turbofan and msan
+}],  # variant == ignition_turbofan and msan
 
 ##############################################################################
 ['gcov_coverage', {