def METHOD_NAME(self):
    """Test the _write_data_validations() method. Data validation example 5 from docs"""
    self.worksheet.data_validation(
        "A5",
        {
            "validate": "list",
            "source": "=$E$4:$G$4",
        },
    )
    self.worksheet._write_data_validations()
    exp = """<dataValidations count="1"><dataValidation type="list" allowBlank="1" showInputMessage="1" showErrorMessage="1" sqref="A5"><formula1>$E$4:$G$4</formula1></dataValidation></dataValidations>"""
    got = self.fh.getvalue()
    exp = _xml_to_list(exp)
    got = _xml_to_list(got)
    self.assertEqual(got, exp)