Add flaky test expectation for a mozilla-debug test that assumes a specific execution time.

test/mozilla/mozilla.status

 # Copyright 2009 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
 #       copyright notice, this list of conditions and the following
 #       disclaimer in the documentation and/or other materials provided
@@ skipping 183 matching lines @@
 
 # Test that depends on timer resolution. Fails every now and then
 # if we're unlucky enough to get a context switch at a bad time.
 js1_5/extensions/regress-363258: PASS || FAIL
 
 
 # Test that assumes specific runtime for a regexp, flaky in debug mode.
 ecma_3/RegExp/regress-85721: PASS || FAIL if $mode == debug
 
 
+# Test that assumes specific execution time, flaky in debug mode.
+js1_5/Array/regress-101964: PASS || FAIL if $mode == debug
+
+
 ##################### INCOMPATIBLE TESTS #####################
 
 # This section is for tests that fail in both V8 and JSC.  Thus they
 # have been determined to be incompatible between Mozilla and V8/JSC.
 
 # Fail because it calls builtins as functions and do not expect the
 # builtin to have undefined as the receiver.
 ecma/String/15.5.4.6-2: FAIL_OK
 
 # Fail because of toLowerCase and toUpperCase conversion.
@@ skipping 636 matching lines @@
 ecma/Date/15.9.5.12-2: SKIP
 ecma/Date/15.9.5.8: SKIP
 ecma/Date/15.9.5.9: SKIP
 ecma/Date/15.9.5.11-2: SKIP
 ecma/Expressions/11.7.2: SKIP
 ecma/Expressions/11.10-2: SKIP
 ecma/Expressions/11.7.3: SKIP
 ecma/Expressions/11.10-3: SKIP
 ecma/Expressions/11.7.1: SKIP
 ecma_3/RegExp/regress-209067: SKIP