How to use the approvaltests.reporters.generic_diff_reporter_factory.GenericDiffReporterFactory function in approvaltests

def setUp(self):
        self.reporter = GenericDiffReporterFactory().get_first_working()

def __init__(self):
        factory = GenericDiffReporterFactory()
        
        reporters = list(factory.get_all_reporters())
        reporters.append(CommandLineReporter())
        super(DiffReporter, self).__init__(*reporters)

def test_returns_none_when_files_are_same_files(self):
        namer = get_default_namer()
        writer = StringWriter("b")
        reporter = GenericDiffReporterFactory().get_first_working()
        approver = FileApprover()
        error = approver.verify(namer, writer, reporter)
        self.assertEqual(None, error)

def setUp(self):
        self.reporter = GenericDiffReporterFactory().get('BeyondCompare4Mac')

def setUp(self):
        self.factory = GenericDiffReporterFactory()
        self.reporter = self.factory.get_first_working()
        if os.path.exists(self.tmp_dir):
            shutil.rmtree(self.tmp_dir)
        os.mkdir(self.tmp_dir)

def setUp(self):
        self.reporter = GenericDiffReporterFactory().get_first_working()