Added value to BinTreeNode

Programming_Paradigms/bintree_test.py

@@ -5,8 +5,12 @@ import unittest
 from bintree import BinTree, BinTreeNode
 
 class TestBinTreeNode(unittest.TestCase):
+    def test_creation(self):
+        node = BinTreeNode(5)
+        self.assertEqual(node.value, 5)
+
     def test_has_left_and_right(self):
-        node = BinTreeNode()
+        node = BinTreeNode(0)
         self.assertIn("left", node.__dict__)
         self.assertIn("right", node.__dict__)