Merge pull request #296 from basedosdados/fix/inherit-column-coverage

correction in docstring

basedosdados_api/api/v1/tests/test_models.py

@@ -145,7 +145,7 @@ def test_table_with_empty_coverage(
 ):
  """
  Test for Table with Coverage containing no DateTimeRange.
- Must raise ValidationError.
+ Coverage must be empty string.
  """
  tabela_bairros.save()
  coverage_tabela_open.save()