move test and add a second test

Lib/test/test_typing.py

@@ -140,6 +140,26 @@ class MockSomething(Something, Mock): pass
         self.assertIsInstance(ms, Something)
         self.assertIsInstance(ms, Mock)
 
+    def test_subclassing_with_custom_constructor(self):
+        class Sub(Any):
+            def __init__(self, *args, **kwargs): pass
+        # The instantiation must not fail.
+        Sub(0, s="")
+
+    def test_multiple_inheritance_with_custom_constructors(self):
+        class Foo:
+            def __init__(self, x):
+                self.x = x
+
+        class Bar(Any, Foo):
+            def __init__(self, x, y):
+                self.y = y
+                super().__init__(x)
+
+        b = Bar(1, 2)
+        self.assertEqual(b.x, 1)
+        self.assertEqual(b.y, 2)
+
     def test_cannot_instantiate(self):
         with self.assertRaises(TypeError):
             Any()
@@ -152,12 +172,6 @@ def test_any_works_with_alias(self):
         typing.Pattern[Any]
         typing.IO[Any]
 
-    def test_subclass_can_instantiate_with_arguments(self):
-        class Sub(Any):
-            def __init__(self, *args, **kwargs): pass
-        # The instantiation must not fail.
-        Sub(0, s="")
-
 
 class BottomTypeTestsMixin:
     bottom_type: ClassVar[Any]