          node10.right = node9
          root = node10
          node0 = Node(0)
          binary_tree = BinaryTree()
          assert_equal(binary_tree.lca(root, node0, node5), None)
          assert_equal(binary_tree.lca(root, node5, node0), None)
          assert_equal(binary_tree.lca(root, node1, node8), node3)
          assert_equal(binary_tree.lca(root, node12, node8), node5)
          assert_equal(binary_tree.lca(root, node12, node40), node10)
          assert_equal(binary_tree.lca(root, node9, node20), node9)
          assert_equal(binary_tree.lca(root, node3, node5), node5)
          print('Success: test_lca')
  
  
  def main():
      test = TestLowestCommonAncestor()
 
</s> remove     "        assert_equal(binary_tree.lca(root, node0, node5), None)\n",
    "        assert_equal(binary_tree.lca(root, node5, node0), None)\n",
    "        assert_equal(binary_tree.lca(root, node1, node8), node3)\n",
    "        assert_equal(binary_tree.lca(root, node12, node8), node5)\n",
    "        assert_equal(binary_tree.lca(root, node12, node40), node10)\n",
    "        assert_equal(binary_tree.lca(root, node9, node20), node9)\n",
    "        assert_equal(binary_tree.lca(root, node3, node5), node5)\n",
 </s> add     "        self.assertEqual(binary_tree.lca(root, node0, node5), None)\n",
    "        self.assertEqual(binary_tree.lca(root, node5, node0), None)\n",
    "        self.assertEqual(binary_tree.lca(root, node1, node8), node3)\n",
    "        self.assertEqual(binary_tree.lca(root, node12, node8), node5)\n",
    "        self.assertEqual(binary_tree.lca(root, node12, node40), node10)\n",
    "        self.assertEqual(binary_tree.lca(root, node9, node20), node9)\n",
    "        self.assertEqual(binary_tree.lca(root, node3, node5), node5)\n", </s> remove     "        assert_equal(binary_tree.lca(root, node0, node5), None)\n",
    "        assert_equal(binary_tree.lca(root, node5, node0), None)\n",
    "        assert_equal(binary_tree.lca(root, node1, node8), node3)\n",
    "        assert_equal(binary_tree.lca(root, node12, node8), node5)\n",
    "        assert_equal(binary_tree.lca(root, node12, node40), node10)\n",
    "        assert_equal(binary_tree.lca(root, node9, node20), node9)\n",
    "        assert_equal(binary_tree.lca(root, node3, node5), node5)\n",
 </s> add     "        self.assertEqual(binary_tree.lca(root, node0, node5), None)\n",
    "        self.assertEqual(binary_tree.lca(root, node5, node0), None)\n",
    "        self.assertEqual(binary_tree.lca(root, node1, node8), node3)\n",
    "        self.assertEqual(binary_tree.lca(root, node12, node8), node5)\n",
    "        self.assertEqual(binary_tree.lca(root, node12, node40), node10)\n",
    "        self.assertEqual(binary_tree.lca(root, node9, node20), node9)\n",
    "        self.assertEqual(binary_tree.lca(root, node3, node5), node5)\n", </s> remove         assert_equal(result, root)
        assert_equal(result.left, node7)
        assert_equal(result.right, node2)
        assert_equal(result.left.left, node9)
        assert_equal(result.left.right, node6)
        assert_equal(result.right.left, node3)
        assert_equal(result.right.right, node1)
 </s> add         self.assertEqual(result, root)
        self.assertEqual(result.left, node7)
        self.assertEqual(result.right, node2)
        self.assertEqual(result.left.left, node9)
        self.assertEqual(result.left.right, node6)
        self.assertEqual(result.right.left, node3)
        self.assertEqual(result.right.right, node1) </s> remove         assert_true(trie.remove('foo') is None) 
 </s> add         self.assertTrue(trie.remove('foo') is None)  </s> remove         assert_true(processed_nodes is None)
 </s> add         self.assertTrue(processed_nodes is None)
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
          node10.right = node9
          root = node10
          node0 = Node(0)
          binary_tree = BinaryTree()
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
        self.assertEqual(binary_tree.lca(root, node0, node5), None)
        self.assertEqual(binary_tree.lca(root, node5, node0), None)
        self.assertEqual(binary_tree.lca(root, node1, node8), node3)
        self.assertEqual(binary_tree.lca(root, node12, node8), node5)
        self.assertEqual(binary_tree.lca(root, node12, node40), node10)
        self.assertEqual(binary_tree.lca(root, node9, node20), node9)
        self.assertEqual(binary_tree.lca(root, node3, node5), node5)
          print('Success: test_lca')
  
  
  def main():
      test = TestLowestCommonAncestor()
keep keep keep keep replace replace replace replace replace replace replace keep keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/tree_lca/test_lca.py