Remove the concept of 'integration tests' from test-webkitpy.

Tools/Scripts/webkitpy/common/system/platforminfo_unittest.py

 # Copyright (C) 2011 Google Inc. 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
@@ skipping 52 matching lines @@
 def fake_executive(output=None):
     if output:
         return MockExecutive2(output=output)
     return MockExecutive2(exception=SystemError)
 
 
 class TestPlatformInfo(unittest.TestCase):
     def make_info(self, sys_module=None, platform_module=None, executive=None):
         return PlatformInfo(sys_module or fake_sys(), platform_module or fake_platform(), executive or fake_executive())
 
-    # FIXME: This should be called integration_test_real_code(), but integration tests aren't
-    # yet run by default and there's no reason not to run this everywhere by default.
     def test_real_code(self):
         # This test makes sure the real (unmocked) code actually works.
         info = PlatformInfo(sys, platform, Executive())
         self.assertNotEquals(info.os_name, '')
         self.assertNotEquals(info.os_version, '')
         self.assertNotEquals(info.display_name(), '')
         self.assertTrue(info.is_mac() or info.is_win() or info.is_linux() or info.is_freebsd())
         self.assertIsNotNone(info.terminal_width())
 
         if info.is_mac():
@@ skipping 88 matching lines @@
         self.assertEqual(info.total_bytes_memory(), 1234)
 
         info = self.make_info(fake_sys('win32', tuple([6, 1, 7600])))
         self.assertIsNone(info.total_bytes_memory())
 
         info = self.make_info(fake_sys('linux2'))
         self.assertIsNone(info.total_bytes_memory())
 
         info = self.make_info(fake_sys('freebsd9'))
         self.assertIsNone(info.total_bytes_memory())