Rename redundant enum tests so that they run (GH-102535)

(cherry picked from commit a028778)

Co-authored-by: JosephSBoyle <[email protected]>

Author: miss-islington

Lib/test/test_enum.py

@@ -4500,15 +4500,14 @@ class Double(Enum):
             TWO = 2
         self.assertEqual(Double.__doc__, None)
 
-
-    def test_doc_1(self):
+    def test_doc_3(self):
         class Triple(Enum):
             ONE = 1
             TWO = 2
             THREE = 3
         self.assertEqual(Triple.__doc__, None)
 
-    def test_doc_1(self):
+    def test_doc_4(self):
         class Quadruple(Enum):
             ONE = 1
             TWO = 2