          graph.add_edge(2, 1, 6)
          graph.add_edge(3, 2, 7)
          graph.add_edge(3, 4, 8)
          graph.bfs(nodes[0], self.results.add_result)
          assert_equal(str(self.results), "[0, 1, 4, 5, 3, 2]")
  
          print('Success: test_bfs')
  
  
  def main():
 
</s> remove         assert_equal(str(self.results), "[0, 1, 3, 2, 4, 5]")
 </s> add         self.assertEqual(str(self.results), "[0, 1, 3, 2, 4, 5]") </s> remove         assert_equal(graph.path_exists(nodes[0], nodes[2]), True)
        assert_equal(graph.path_exists(nodes[0], nodes[0]), True)
        assert_equal(graph.path_exists(nodes[4], nodes[5]), False)
 </s> add         self.assertEqual(graph.path_exists(nodes[0], nodes[2]), True)
        self.assertEqual(graph.path_exists(nodes[0], nodes[0]), True)
        self.assertEqual(graph.path_exists(nodes[4], nodes[5]), False) </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", </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", </s> remove     "        assert_equal(str(self.results), \"[0, 1, 3, 2, 4, 5]\")\n",
 </s> add     "        self.assertEqual(str(self.results), \"[0, 1, 3, 2, 4, 5]\")\n",
        self.assertEqual(str(self.results), "[0, 1, 4, 5, 3, 2]")
          graph.add_edge(2, 1, 6)
          graph.add_edge(3, 2, 7)
          graph.add_edge(3, 4, 8)
          graph.bfs(nodes[0], self.results.add_result)
        self.assertEqual(str(self.results), "[0, 1, 4, 5, 3, 2]")
  
          print('Success: test_bfs')
  
  
  def main():
keep keep keep keep replace keep keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/graph_bfs/test_bfs.py