      "        bst.insert(8)\n",
      "        bst.insert(1)\n",
      "        bst.insert(3)\n",
      "        bst.bfs(self.results.add_result)\n",
      "        assert_equal(str(self.results), '[5, 2, 8, 1, 3]')\n",
      "\n",
      "        print('Success: test_bfs')\n",
      "\n",
      "\n",
      "def main():\n",
 
</s> remove     "        assert_equal(str(self.results), '[5, 2, 8, 1, 3]')\n",
 </s> add     "        self.assertEqual(str(self.results), '[5, 2, 8, 1, 3]')\n", </s> remove         assert_equal(str(self.results), '[5, 2, 8, 1, 3]')
 </s> add         self.assertEqual(str(self.results), '[5, 2, 8, 1, 3]') </s> remove     "        assert_equal(bst.height(bst.root), 3)\n",
 </s> add     "        self.assertEqual(bst.height(bst.root), 3)\n", </s> remove     "        assert_equal(bst.height(bst.root), 3)\n",
 </s> add     "        self.assertEqual(bst.height(bst.root), 3)\n", </s> remove     "        assert_equal(str(self.results), \"[0, 1, 4, 5, 3, 2]\")\n",
 </s> add     "        self.assertEqual(str(self.results), \"[0, 1, 4, 5, 3, 2]\")\n",
    "        self.assertEqual(str(self.results), '[5, 2, 8, 1, 3]')\n",
      "        bst.insert(8)\n",
      "        bst.insert(1)\n",
      "        bst.insert(3)\n",
      "        bst.bfs(self.results.add_result)\n",
    "        self.assertEqual(str(self.results), '[5, 2, 8, 1, 3]')\n",
      "\n",
      "        print('Success: test_bfs')\n",
      "\n",
      "\n",
      "def main():\n",
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/tree_bfs/bfs_challenge.ipynb