Address review feedback

Author: aclark4life

test/test_son.py

@@ -150,8 +150,6 @@ def test_contains_has(self):
         self.assertIn(1, test_son)
         self.assertIn(2, test_son, "in failed")
         self.assertNotIn(22, test_son, "in succeeded when it shouldn't")
-        self.assertTrue(2 in test_son, "'in' operator failed for key 2")
-        self.assertFalse(22 in test_son, "'in' operator succeeded when it shouldn't")
 
     def test_clears(self):
         """Test clear()"""