TEST: Add xfailing test for [func-returns-value]

test-data/unit/check-errorcodes.test

@@ -563,6 +563,15 @@ y = A().g()  # E: "g" of "A" does not return a value (it only ever returns None)
 c: Callable[[], None]
 z = c()  # E: Function does not return a value (it only ever returns None)  [func-returns-value]
 
+[case testErrorCodeStaticmethodDoesNotReturnValue-xfail]
+# See: https://github.com/python/mypy/issues/14179
+class A:
+    @staticmethod
+    def g() -> None: pass
+
+y1 = A.g()  # E: "g" of "A" does not return a value (it only ever returns None)  [func-returns-value]
+y2 = A().g()  # E: "g" of "A" does not return a value (it only ever returns None)  [func-returns-value]
+
 [case testErrorCodeInstantiateAbstract]
 from abc import abstractmethod