          invalid = Node(20)
          bst.root.left = left
          bst.root.right = right
          bst.root.left.right = invalid
          assert_equal(bst.validate(), False)
  
          print('Success: test_bst_validate')
  
  
  def main():
 
</s> remove         assert_equal(bst.validate(), True)
 </s> add         self.assertEqual(bst.validate(), True) </s> remove     "        assert_equal(bst.validate(), False)\n",
 </s> add     "        self.assertEqual(bst.validate(), False)\n", </s> remove     "        assert_equal(bst.validate(), False)\n",
 </s> add     "        self.assertEqual(bst.validate(), False)\n", </s> remove     "        assert_equal(bst.validate(), True)\n",
 </s> add     "        self.assertEqual(bst.validate(), True)\n", </s> remove     "        assert_equal(bst.validate(), True)\n",
 </s> add     "        self.assertEqual(bst.validate(), True)\n",
        self.assertEqual(bst.validate(), False)
          invalid = Node(20)
          bst.root.left = left
          bst.root.right = right
          bst.root.left.right = invalid
        self.assertEqual(bst.validate(), False)
  
          print('Success: test_bst_validate')
  
  
  def main():
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/bst_validate/test_bst_validate.py