Fix tests

Author: timhoffm

Lib/test/test_bool.py

@@ -59,9 +59,15 @@ def test_math(self):
         self.assertEqual(abs(True), 1)
         self.assertIsNot(abs(True), True)
         with self.assertWarns(DeprecationWarning):
-            self.assertEqual(~False, -1)
+            # We need to put the bool in a variable, because the constant
+            # ~False is evaluated at compile time due to constant folding;
+            # consequently the DeprecationWarning would be issued during
+            # module loading and not during test execution.
+            false = False
+            self.assertEqual(~false, -1)
         with self.assertWarns(DeprecationWarning):
-            self.assertEqual(~True, -2)
+            true = True
+            self.assertEqual(~true, -2)
 
         self.assertEqual(False+2, 2)
         self.assertEqual(True+2, 3)