Add union skip tests.

Author: WaVEV

django_mongodb/features.py

@@ -286,6 +286,7 @@ def django_test_expected_failures(self):
             "model_forms.tests.LimitChoicesToTests.test_limit_choices_to_m2m_through",
             "model_forms.tests.LimitChoicesToTests.test_limit_choices_to_no_duplicates",
             "null_queries.tests.NullQueriesTests.test_reverse_relations",
+            "queries.test_qs_combinators.QuerySetSetOperationTests.test_union_with_values_list_on_annotated_and_unannotated",
             "queries.tests.ExcludeTest17600.test_exclude_plain",
             "queries.tests.ExcludeTest17600.test_exclude_with_q_is_equal_to_plain_exclude_variation",
             "queries.tests.ExcludeTest17600.test_exclude_with_q_object_no_distinct",
@@ -350,6 +351,8 @@ def django_test_expected_failures(self):
             "lookup.tests.LookupQueryingTests.test_filter_subquery_lhs",
             "model_fields.test_jsonfield.TestQuerying.test_nested_key_transform_on_subquery",
             "model_fields.test_jsonfield.TestQuerying.test_obj_subquery_lookup",
+            "queries.test_qs_combinators.QuerySetSetOperationTests.test_union_in_subquery",
+            "queries.test_qs_combinators.QuerySetSetOperationTests.test_union_in_subquery_related_outerref",
         },
         "Using a QuerySet in annotate() is not supported on MongoDB.": {
             "aggregation.test_filter_argument.FilteredAggregateTests.test_filtered_reused_subquery",
@@ -387,6 +390,7 @@ def django_test_expected_failures(self):
             "model_fields.test_jsonfield.TestQuerying.test_usage_in_subquery",
             "one_to_one.tests.OneToOneTests.test_get_prefetch_queryset_warning",
             "one_to_one.tests.OneToOneTests.test_rel_pk_subquery",
+            "queries.test_qs_combinators.QuerySetSetOperationTests.test_union_in_with_ordering",
             "queries.tests.CloneTests.test_evaluated_queryset_as_argument",
             "queries.tests.DoubleInSubqueryTests.test_double_subquery_in",
             "queries.tests.EmptyQuerySetTests.test_values_subquery",
@@ -487,6 +491,8 @@ def django_test_expected_failures(self):
             "ordering.tests.OrderingTests.test_extra_ordering",
             "ordering.tests.OrderingTests.test_extra_ordering_quoting",
             "ordering.tests.OrderingTests.test_extra_ordering_with_table_name",
+            "queries.test_qs_combinators.QuerySetSetOperationTests.test_union_multiple_models_with_values_list_and_order_by_extra_select",
+            "queries.test_qs_combinators.QuerySetSetOperationTests.test_union_with_extra_and_values_list",
             "queries.tests.EscapingTests.test_ticket_7302",
             "queries.tests.Queries5Tests.test_extra_select_literal_percent_s",
             "queries.tests.Queries5Tests.test_ticket7256",
@@ -510,6 +516,7 @@ def django_test_expected_failures(self):
             "delete.tests.DeletionTests.test_only_referenced_fields_selected",
             "lookup.tests.LookupTests.test_in_ignore_none",
             "lookup.tests.LookupTests.test_textfield_exact_null",
+            "queries.test_qs_combinators.QuerySetSetOperationTests.test_exists_union",
             "queries.tests.ExistsSql.test_exists",
             "queries.tests.Queries6Tests.test_col_alias_quoted",
             "schema.tests.SchemaTests.test_rename_column_renames_deferred_sql_references",