C: 32:TestStringMethods.test_wrong_usage: assertTrue('foo'.upper() == 'FOO') should be assertEqual or assertNotEqual
C: 33:TestStringMethods.test_wrong_usage: assertFalse(500 == 501) should be assertEqual or assertNotEqual
C: 35:TestStringMethods.test_wrong_usage: assertTrue('a' in 'lala') should be assertIn or assertNotIn
C: 36:TestStringMethods.test_wrong_usage: assertFalse('b' not in 'lala') should be assertIn or assertNotIn
C: 38:TestStringMethods.test_wrong_usage: assertTrue(1 > 0) should be assertGreater or assertLess
C: 39:TestStringMethods.test_wrong_usage: assertFalse(1 < 2) should be assertGreater or assertLess