diff --git a/tests/integration/test_fastapi/handlers.py b/tests/integration/test_fastapi/handlers.py
index de7510e..b2558d9 100644
--- a/tests/integration/test_fastapi/handlers.py
+++ b/tests/integration/test_fastapi/handlers.py
@@ -13,6 +13,7 @@
 router = APIRouter(prefix="/api")
 
 RedisDependency = Annotated[Redis, Depends(Provide[Container.redis])]
+RedisDependencyWithOnlyProvider = Annotated[Redis, Depends(Container.redis)]
 
 
 @router.get("/values")
diff --git a/tests/test_base_container.py b/tests/test_base_container.py
index d022e7c..6911b3a 100644
--- a/tests/test_base_container.py
+++ b/tests/test_base_container.py
@@ -10,15 +10,12 @@
 def test_get_providers(container):
     providers = container.get_providers()
 
+    assert len(providers) > 0
+
     for provider in providers:
         assert isinstance(provider, BaseProvider)
 
 
-def test_get_provider_by_attr_name_fail_on_not_exists_provider(container):
-    with pytest.raises(Exception):
-        container.get_provider_by_attr_name("not_exists_provider")
-
-
 def test_override_providers_fail_with_unknown_provider(container):
     unknown_provider = "not_exists_provider"
     match = f"Provider with name {unknown_provider!r} not found"
@@ -72,7 +69,7 @@ def test_reset_singletons(container):
 
     for provider in providers:
         if isinstance(provider, Singleton):
-            _ = provider()
+            provider()
             assert provider._instance is not None
 
     container.reset_singletons()