tests.utils passes disallow-untyped-defs

mypy.ini

@@ -126,6 +126,9 @@ disallow_untyped_defs = True
 [mypy-tests.federation.transport.test_client]
 disallow_untyped_defs = True
 
+[mypy-tests.util.*]
+disallow_untyped_defs = True
+
 [mypy-tests.utils]
 disallow_untyped_defs = True