chore: pass explicit validate=True to root Container in tests (#3)

Future-proofs the suite against the upcoming UnvalidatedContainerWarning
(FutureWarning) that modern-di 2.x will emit for root containers built
without an explicit validate argument, and dogfoods graph validation.

Co-authored-by: Claude Fable 5 <[email protected]>

Author: lesnik512

tests/conftest.py

@@ -12,7 +12,7 @@
 @pytest.fixture
 def app() -> Starlette:
     app_ = Starlette()
-    container = modern_di.Container(groups=[Dependencies])
+    container = modern_di.Container(groups=[Dependencies], validate=True)
     modern_di_starlette.setup_di(app_, container=container)
     return app_
 

tests/test_lifespan.py

@@ -40,7 +40,7 @@ async def user_lifespan(app_: Starlette) -> typing.AsyncIterator[dict[str, str]]
         events.append("shutdown")
 
     app = Starlette(lifespan=user_lifespan)
-    container = modern_di.Container(groups=[Dependencies])
+    container = modern_di.Container(groups=[Dependencies], validate=True)
     modern_di_starlette.setup_di(app, container)
 
     async def read_marker(request: Request) -> JSONResponse: