✅ Add tests for dependencies utils, for coverage

tests/test_dependencies_utils.py

@@ -0,0 +1,8 @@
+from fastapi.dependencies.utils import get_typed_annotation
+
+
+def test_get_typed_annotation():
+    # For coverage
+    annotation = "None"
+    typed_annotation = get_typed_annotation(annotation, globals())
+    assert typed_annotation is None