bpo-46111: Fix unittest tests in optimized mode (GH-30163)

(cherry picked from commit 95a922b3bb)

Co-authored-by: Serhiy Storchaka <storchaka@gmail.com>

Lib/unittest/test/test_program.py

@@ -58,9 +58,9 @@ def removeTest():
 
     class FooBar(unittest.TestCase):
         def testPass(self):
-            assert True
+            pass
         def testFail(self):
-            assert False
+            raise AssertionError
 
     class FooBarLoader(unittest.TestLoader):
         """Test loader that returns a suite containing FooBar."""