[test] Set default locale in test runner

BUG=v8:4437,v8:2899,chromium:604310
LOG=n

Review URL: https://codereview.chromium.org/1402373002

Cr-Commit-Position: refs/heads/master@{#35614}

test/intl/intl.status

@@ -36,22 +36,4 @@
   'number-format/parse-decimal': [FAIL],
   'number-format/parse-percent': [FAIL],
 }],  # ALWAYS
-
-##############################################################################
-['system == linux', {
-  # BUG(v8:2899).
-  'collator/default-locale': [PASS, FAIL],
-}],  # 'system == linux'
-
-##############################################################################
-['system == macos', {
-  # BUG(v8:4459).
-  'collator/default-locale': [FAIL],
-}],  # 'system == macos'
-
-##############################################################################
-['arch == arm or arch == arm64', {
-  # BUG(v8:4459).
-  'collator/default-locale': [PASS, FAIL],
-}],  # 'arch == arm or arch == arm64'
 ]

test/test262/test262.status

@@ -292,26 +292,6 @@
   'built-ins/Array/prototype/slice/S15.4.4.10_A3_T2': [SKIP],
 }],  # ALWAYS
 
-['system == linux', {
-  # BUG(v8:4437).
-  'intl402/Collator/10.1.1_19_c': [PASS, FAIL],
-  'intl402/Collator/9.2.5_11_g_ii_2': [PASS, FAIL],
-  'intl402/NumberFormat/11.1.1_17': [PASS, FAIL],
-  'intl402/NumberFormat/11.1.1_19': [PASS, FAIL],
-  'intl402/NumberFormat/prototype/format/11.3.2_TRF': [PASS, FAIL],
-  'intl402/NumberFormat/prototype/format/11.3.2_TRP': [PASS, FAIL],
-}],  # system == linux
-
-['system == macos', {
-  # BUG(v8:4437).
-  'intl402/Collator/10.1.1_19_c': [SKIP],
-  'intl402/Collator/9.2.5_11_g_ii_2': [SKIP],
-  'intl402/NumberFormat/11.1.1_17': [SKIP],
-  'intl402/NumberFormat/11.1.1_19': [SKIP],
-  'intl402/NumberFormat/prototype/format/11.3.2_TRF': [SKIP],
-  'intl402/NumberFormat/prototype/format/11.3.2_TRP': [SKIP],
-}],  # system == macos
-
 ['no_i18n == True', {
   # Unicode canonicalization is not available with i18n turned off.
   'built-ins/String/prototype/localeCompare/15.5.4.9_CE': [SKIP],
@@ -325,7 +305,6 @@
   'built-ins/String/prototype/normalize/return-normalized-string-using-default-parameter': [SKIP],
 }],  # no_i18n == True
 
-
 ['arch == arm or arch == mipsel or arch == mips or arch == arm64 or arch == mips64 or arch == mips64el', {
 
   # TODO(mstarzinger): Causes stack overflow on simulators due to eager

tools/run-tests.py

@@ -380,6 +380,10 @@ def BuildbotToV8Mode(config):
 
 def SetupEnvironment(options):
   """Setup additional environment variables."""
+
+  # Many tests assume an English interface.
+  os.environ['LANG'] = 'en_US.UTF-8'
+
   symbolizer = 'external_symbolizer_path=%s' % (
       os.path.join(
           BASE_DIR, 'third_party', 'llvm-build', 'Release+Asserts', 'bin',