[test] Skip slow tests.

test/mozilla/mozilla.status

 # Copyright 2011 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 833 matching lines @@
   'js1_5/decompilation/regress-373678': [PASS, FAIL],
   'js1_5/decompilation/regress-375639': [PASS, FAIL],
   'js1_5/decompilation/regress-375882': [PASS, FAIL],
   'js1_5/decompilation/regress-376564': [PASS, FAIL],
   'js1_5/decompilation/regress-383721': [PASS, FAIL],
   'js1_5/decompilation/regress-406555': [PASS, FAIL],
   'js1_5/decompilation/regress-460870': [PASS, FAIL],
 }],  # ALWAYS
 
 
+['no_i18n == True and mode == debug', {
+  # Tests too slow for no18n debug.
+  'ecma_3/Statements/regress-302439': [FAST_VARIANTS],
+  'js1_5/Regress/regress-98901': [FAST_VARIANTS],
+  'ecma_3/RegExp/perlstress-001': [FAST_VARIANTS],
+  'js1_5/extensions/regress-311161': [FAST_VARIANTS],
+}],  # 'no_i18n == True and mode == debug'
+
+
 ['arch == arm or arch == arm64', {
 
   # BUG(3251229): Times out when running new crankshaft test script.
   'ecma_3/RegExp/regress-311414': [SKIP],
   'ecma/Date/15.9.5.8': [SKIP],
   'ecma/Date/15.9.5.10-2': [SKIP],
   'ecma/Date/15.9.5.11-2': [SKIP],
   'ecma/Date/15.9.5.12-2': [SKIP],
   'js1_5/Array/regress-99120-02': [SKIP],
   'js1_5/extensions/regress-371636': [SKIP],
@@ skipping 84 matching lines @@
   'ecma_3/RegExp/regress-307456': [SKIP],
   'js1_5/Regress/regress-303213': [SKIP],
   'js1_5/extensions/regress-330569': [SKIP],
   'js1_5/extensions/regress-351448': [SKIP],
   'js1_5/extensions/regress-336410-1': [SKIP],
 
   #BUG(3152): Avoid C stack overflow.
   'js1_5/extensions/regress-355497': [FAIL_OK, 'Flags: --sim-stack-size=512'],
 }],  # 'arch == arm64 and simulator_run == True'
 ]