def test_multiple_default_true(self):
        """Test selector_config_from_data returns the correct error when multiple
        default values are set
        """
        dct = get_selector_dict(
            """\
                selectors:
                  - name: summa_nothing
                    definition:
                      method: tag
                      value: nightly
                    default: true
                  - name: summa_something
                    definition:
                      method: tag
                      value: daily
                    default: true
        """
        )
        with self.assertRaisesRegex(
            dbt.exceptions.DbtSelectorsError, "Found multiple selectors with `default: true`:"
        ):
            selector_config_from_data(dct)
Test selector_config_from_data returns the correct error when multiple
        default values are set
        
tests/unit/config/test_selectors.py