def METHOD_NAME(self):
    upstream_cols = ['col_1']
    downstream_cols = ['col_2']
    upstream_rows = [{'col_1': 'one'}]
    downstream_rows = [{'col_2': 'two'}]
    self._create_table(self.upstream_domain, 'test-table', upstream_cols, upstream_rows)
    self._create_table(self.downstream_domain, 'test-table', downstream_cols, downstream_rows)
    update_fixture(self.link, 'test-table', overwrite=True)
    created_table = LookupTable.objects.by_domain_tag(self.downstream_domain, 'test-table')
    self.assertColumnsEqual(created_table, upstream_cols)
    self.assertTableFieldsEqual(created_table, upstream_rows)