add tests for the django test suite

django-stubs/core/checks/__init__.pyi

@@ -0,0 +1 @@
+from .messages import Warning as Warning, Info as Info, Debug as Debug, Error as Error, Critical as Critical

django-stubs/core/checks/messages.pyi

@@ -1,4 +1,4 @@
-from typing import Any, Optional, Union
+from typing import Any, Optional
 
 DEBUG: int
 INFO: int

django-stubs/core/checks/model_checks.pyi

@@ -1,4 +1,4 @@
-from typing import Any, List, Optional
+from typing import Any, List
 
 from django.core.checks.messages import Warning
 

django-stubs/core/files/storage.pyi

@@ -31,10 +31,15 @@ class FileSystemStorage(Storage):
         file_permissions_mode: Optional[int] = ...,
         directory_permissions_mode: Optional[int] = ...,
     ) -> None: ...
+    @property
     def base_location(self) -> str: ...
+    @property
     def location(self) -> str: ...
+    @property
     def base_url(self) -> str: ...
+    @property
     def file_permissions_mode(self) -> Optional[int]: ...
+    @property
     def directory_permissions_mode(self) -> Optional[int]: ...
 
 class DefaultStorage(LazyObject): ...

django-stubs/core/management/__init__.pyi

@@ -1,6 +1,6 @@
 from typing import Any, Dict, List, Optional, Tuple, Union
 
-from django.core.management.base import BaseCommand as BaseCommand
+from django.core.management.base import BaseCommand as BaseCommand, CommandError as CommandError
 
 def find_commands(management_dir: str) -> List[str]: ...
 def load_command_class(app_name: str, name: str) -> BaseCommand: ...

django-stubs/core/management/base.pyi

@@ -60,7 +60,7 @@ class BaseCommand:
     def add_arguments(self, parser: CommandParser) -> None: ...
     def print_help(self, prog_name: str, subcommand: str) -> None: ...
     def run_from_argv(self, argv: List[str]) -> None: ...
-    def execute(self, *args: Any, **options: Any) -> Optional[Union[Tuple, str]]: ...
+    def execute(self, *args: Any, **options: Any) -> Any: ...
     def check(
         self,
         app_configs: Optional[List[AppConfig]] = ...,