Make it possible to run a test only in the standard variant.

tools/testrunner/local/testsuite.py

 # 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 56 matching lines @@
   # Used in the status file and for stdout printing.
   def CommonTestName(self, testcase):
     if utils.IsWindows():
       return testcase.path.replace("\\", "/")
     else:
       return testcase.path
 
   def ListTests(self, context):
     raise NotImplementedError
 
-  def VariantFlags(self):
-    return None
+  def VariantFlags(self, testcase, default_flags):
+    if testcase.outcomes and statusfile.OnlyStandardVariant(testcase.outcomes):
+      return [[]]
+    return default_flags
 
   def DownloadData(self):
     pass
 
   def ReadStatusFile(self, variables):
     (self.rules, self.wildcards) = \
         statusfile.ReadStatusFile(self.status_file(), variables)
 
   def ReadTestCases(self, context):
     self.tests = self.ListTests(context)
@@ skipping 96 matching lines @@
   def StripOutputForTransmit(self, testcase):
     if not self.HasUnexpectedOutput(testcase):
       testcase.output.stdout = ""
       testcase.output.stderr = ""
 
   def CalculateTotalDuration(self):
     self.total_duration = 0.0
     for t in self.tests:
       self.total_duration += t.duration
     return self.total_duration