Change deprecated Exception.message to Exception.args-[0] where the use of

.message is not an essential part of the test.

Lib/test/string_tests.py

@@ -70,7 +70,7 @@ class CommonTest(unittest.TestCase):
         args = self.fixtype(args)
         with self.assertRaises(exc) as cm:
             getattr(obj, methodname)(*args)
-        self.assertNotEqual(cm.exception.message, '')
+        self.assertNotEqual(cm.exception.args[0], '')
 
     # call object.method(*args) without any checks
     def checkcall(self, object, methodname, *args):

Lib/test/test_string.py

@@ -19,7 +19,7 @@ class StringTest(
     def checkraises(self, exc, obj, methodname, *args):
         with self.assertRaises(exc) as cm:
             getattr(string, methodname)(obj, *args)
-        self.assertNotEqual(cm.exception.message, '')
+        self.assertNotEqual(cm.exception.args[0], '')
 
     def checkcall(self, object, methodname, *args):
         getattr(string, methodname)(object, *args)

Lib/test/test_userstring.py

@@ -33,7 +33,7 @@ class UserStringTest(
         # we don't fix the arguments, because UserString can't cope with it
         with self.assertRaises(exc) as cm:
             getattr(obj, methodname)(*args)
-        self.assertNotEqual(cm.exception.message, '')
+        self.assertNotEqual(cm.exception.args[0], '')
 
     def checkcall(self, object, methodname, *args):
         object = self.fixtype(object)