fix typo in mjsunit expectations

test/mjsunit/mjsunit.status

 # Copyright 2012 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 286 matching lines @@
   'regress/regress-2185-2': [PASS, TIMEOUT],
   'whitespaces': [PASS, TIMEOUT, SLOW],
 
   # BUG(v8:3147). It works on other architectures by accident.
   'regress/regress-conditional-position': [FAIL],
 
   # BUG(v8:3457).
   'deserialize-reference': [PASS, FAIL],
 
   # BUG(v8:3884).
-  'regress/regress-builtinbust-7.js': [PASS, ['gc_stress == True', SKIP]],
+  'regress/regress-builtinbust-7': [PASS, ['gc_stress == True', SKIP]],
 
   # Slow tests.
   'array-concat': [PASS, SLOW],
   'array-constructor': [PASS, SLOW],
   'array-indexing': [PASS, SLOW],
   'array-reduce': [PASS, SLOW],
   'array-sort': [PASS, SLOW],
   'array-splice': [PASS, SLOW],
   'bit-not': [PASS, SLOW],
   'compiler/alloc-number': [PASS, SLOW],
@@ skipping 272 matching lines @@
   'never-optimize': [SKIP],
   'regress/regress-2185-2': [SKIP],
   'harmony/object-observe': [SKIP],
   'readonly': [SKIP],
   'array-feedback': [SKIP],
 
   # Deopt every n garbage collections collides with deopt every n times.
   'regress/regress-2653': [SKIP],
 }],  # 'deopt_fuzzer == True'
 ]