Address flake8 error F841 case by adding missing test lines

Author: sadielbartholomew

cf/test/test_Query.py

@@ -537,6 +537,10 @@ def test_Query_evaluate(self):
             self.assertTrue(cx.evaluate(3))
             self.assertFalse(cx.evaluate(5))
 
+        for dx in all_d:
+            self.assertTrue(dx.evaluate(7))
+            self.assertFalse(dx.evaluate(9))
+
         # Test the two open_* keywords for direct (non-compound) queries
         self.assertEqual(c.evaluate(2), c0.evaluate(2))
         self.assertTrue(c0.evaluate(2))