def test_get_git_diff(self):
        """Test that get_git_diff returns the original and modified content of a file."""
        diff = self.git_handler.get_git_diff('file1.txt')
        self.assertEqual(diff['modified'].strip(), 'Modified content')
        self.assertEqual(diff['original'].strip(), 'Original content')
Test that get_git_diff returns the original and modified content of a file.
tests/unit/test_git_handler_real.py