def test_layout_tests_dir_with_backslash_sep(self):
filesystem = MockFileSystem()
filesystem.sep = '\\'
filesystem.path_to_module = lambda _: (
'C:\\mock-checkout\\third_party\\WebKit\\Tools\\Scripts\\webkitpy\\foo.py')
finder = PathFinder(filesystem)
self.assertEqual(
finder.layout_tests_dir(),
'C:\\mock-checkout\\third_party\\WebKit\\LayoutTests')
