def test__split_content__at_end(self):
        # Arrange
        content = "This is just one line"

        # Act
        result_first, result_second = FileInspector.split_content(content, len(content))

        # Assert
        self.assertEqual("This is just one line", result_first)
        self.assertEqual("", result_second)
    def test__split_content__pos_minus_one(self):
        # Arrange
        content = "This is just one line"

        # Act
        result_first, result_second = FileInspector.split_content(content, -1)

        # Assert
        self.assertEqual("This is just one line", result_first)
        self.assertEqual("", result_second)
    def test__split_content__in_middle(self):
        # Arrange
        content = "This is just one line"

        # Act
        result_first, result_second = FileInspector.split_content(content, content.find("just"))

        # Assert
        self.assertEqual("This is ", result_first)
        self.assertEqual("just one line", result_second)