[Ignition] Skip tests.

test/cctest/cctest.status

 # Copyright 2011 the V8 project authors. All rights reserved.
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 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
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@@ skipping 543 matching lines @@
   'test-heap/CompilationCacheCachingBehavior': [FAIL],
 
   # TODO(mythria,4680): Incorrect column number on eval.
   'test-api/PromiseRejectCallback': [FAIL],
 
   # TODO(rmcilroy,4680): Test assert errors.
   'test-run-inlining/InlineTwice': [FAIL],
 
 }],  # ignition == True
 
+['ignition == True and msan', {
+  # TODO(rmcilroy,4680): Uninitialized memory.
+  'test-debug/*': [SKIP],
+}],  # ignition == True and msan
+
 ]