Add missing UUID test case (#193)

Author: Milhan

tests/test_converter.py

@@ -351,6 +351,8 @@ def fail(hint: Type, value: Any) -> None:
     ok(List[SerializableEnum], [SerializableEnum.FOO, SerializableEnum.FOO])
 
     # UUID
+    ok(UUID, uuid4())
+    ok(List[UUID], [uuid4(), uuid4()])
 
     # StrEnum is available in 3.11+
     if sys.version_info >= (3, 11):