def test_changed(self):
        profile = models.Profile(avatar='avatars/test.jpg')
        profile.avatar._committed = False
        files = self.fake_save(profile)
        # 1 source, 4 specific thumbs, 1 project-wide thumb.
        self.assertEqual(len(files), 6)
When a file is modified, thumbnails are built for all matching and
dataset/ETHPy150Open SmileyChris/easy-thumbnails/easy_thumbnails/tests/test_aliases.py/GlobalGenerationTest.test_changed