Dropping the scons generator.

test/include_dirs/gyptest-default.py

 #!/usr/bin/env python
 
 # Copyright (c) 2009 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """
 Verifies use of include_dirs when using the default build target.
 """
 
 import TestGyp
 
 test = TestGyp.TestGyp()
 
-if test.format == 'scons':
-  test.skip_test('TODO: http://code.google.com/p/gyp/issues/detail?id=176\n')
-
 test.run_gyp('includes.gyp', chdir='src')
 
 test.relocate('src', 'relocate/src')
 
 test.build('includes.gyp', test.ALL, chdir='relocate/src')
 
 expect = """\
 Hello from includes.c
 Hello from inc.h
 Hello from include1.h
 Hello from subdir/inc2/include2.h
 Hello from shadow2/shadow.h
 """
 test.run_built_executable('includes', stdout=expect, chdir='relocate/src')
 
 if test.format == 'xcode':
   chdir='relocate/src/subdir'
 else:
   chdir='relocate/src'
 
 expect = """\
 Hello from subdir/subdir_includes.c
 Hello from subdir/inc.h
 Hello from include1.h
 Hello from subdir/inc2/include2.h
 """
 test.run_built_executable('subdir_includes', stdout=expect, chdir=chdir)
 
 test.pass_test()