def test_is_split_chord_should_return_true_if_is_split_chord_in_the_middle(
            self):
        frets = (None, 2, None, 4, None, None)

        result = is_split_chord(frets)

        self.assertTrue(result)
    def test_is_split_chord_should_return_false_if_skipped_strings_on_top_and_bottom(
            self):
        frets = (None, None, 3, 4, 5, None)

        result = is_split_chord(frets)

        self.assertFalse(result)
    def test_is_split_chord_should_return_false_if_all_strings_are_skipped(
            self):
        frets = (None, None, None, None, None, None)

        result = is_split_chord(frets)

        self.assertFalse(result)
    def test_is_split_chord_should_return_false_if_no_strings_are_skipped(
            self):
        frets = (1, 2, 3, 4, 5, 6)

        result = is_split_chord(frets)

        self.assertFalse(result)
    def test_is_split_chord_should_return_false_if_skipped_strings_are_on_top_strings(
            self):
        frets = (1, 2, 3, 4, None, None)

        result = is_split_chord(frets)

        self.assertFalse(result)