[inspector] correctly test more variants.

test/inspector/testcfg.py

 # Copyright 2016 the V8 project authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import itertools
 import os
 import re
 
 from testrunner.local import testsuite
 from testrunner.local import utils
@@ skipping 22 matching lines @@
         if filename.endswith(".js") and filename != PROTOCOL_TEST_JS:
           fullpath = os.path.join(dirname, filename)
           relpath = fullpath[len(self.root) + 1 : -3]
           testname = relpath.replace(os.path.sep, "/")
           test = testcase.TestCase(self, testname)
           tests.append(test)
     return tests
 
   def GetFlagsForTestCase(self, testcase, context):
     source = self.GetSourceForTest(testcase)
+    flags = [] + context.mode_flags
     flags_match = re.findall(FLAGS_PATTERN, source)
-    flags = []
     for match in flags_match:
       flags += match.strip().split()
     testname = testcase.path.split(os.path.sep)[-1]
     testfilename = os.path.join(self.root, testcase.path + self.suffix())
     protocoltestfilename = os.path.join(self.root, PROTOCOL_TEST_JS)
-    return [ protocoltestfilename, testfilename ] + flags
+    return testcase.flags + flags + [ protocoltestfilename, testfilename ]
 
   def GetSourceForTest(self, testcase):
     filename = os.path.join(self.root, testcase.path + self.suffix())
     with open(filename) as f:
       return f.read()
 
   def shell(self):
     return "inspector-test"
 
   def _IgnoreLine(self, string):
@@ skipping 42 matching lines @@
 
     for act_iterator in ActBlockIterator():
       for (expected, actual) in itertools.izip_longest(
           ExpIterator(), act_iterator, fillvalue=''):
         if expected != actual:
           return True
       return False
 
 def GetSuite(name, root):
   return InspectorProtocolTestSuite(name, root)