Use mock ArrayBuffer allocator to avoid really allocating 1Gb.

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 81 matching lines @@
   ##############################################################################
   # This test sets the umask on a per-process basis and hence cannot be
   # used in multi-threaded runs.
   # On android there is no /tmp directory.
   'd8-os': [PASS, ['isolates or arch == android_arm or arch == android_ia32', SKIP]],
   'tools/tickprocessor': [PASS, ['arch == android_arm or arch == android_ia32', SKIP]],
 
   ##############################################################################
   # Long running test that reproduces memory leak and should be run manually.
   'regress/regress-2073': [SKIP],
-
-  ##############################################################################
-  # Needs to allocate 1Gb of memory.
-  'regress/regress-319722-ArrayBuffer': [PASS, ['system == windows or system == macos or arch == arm or arch == android_arm or arch == android_ia32', SKIP]],
 }],  # ALWAYS
 
 ##############################################################################
 ['arch == arm or arch == android_arm', {
 
   # Slow tests which times out in debug mode.
   'try': [PASS, ['mode == debug', SKIP]],
   'debug-scripts-request': [PASS, ['mode == debug', SKIP]],
   'array-constructor': [PASS, ['mode == debug', SKIP]],
   'regress/regress-1122': [PASS, ['mode == debug and arch == android_arm', SKIP]],
@@ skipping 155 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'
 ]