tests for equal does not always work with random mutations -> lessEqual

test/test_computeLRF.py

@@ -17,19 +17,19 @@ def test_computeLRF1(self):
         # introduce 3 random edits and compute the distance
         t2 = mutateLabeledTree(self.t1, 3)
         res = computeLRF(self.t1,t2)
-        self.assertEqual(res,3)
+        self.assertLessEqual(res,3)
 
         # introduce 5 random edits and compute the distance
         t2 = mutateLabeledTree(self.t1, 5)
         res = computeLRF(self.t1,t2)
-        self.assertEqual(res,5)
+        self.assertLessEqual(res,5)
 
     def test_computeLRF2(self):
         # randomise the labels and compute the distance
         t3 = randomLabels(self.t1)
         t4 = mutateLabeledTree(t3, 5)
         res = computeLRF(t3,t4)
-        self.assertEqual(res,5)
+        self.assertLessEqual(res,5)
 
 
 class ErrorTests(unittest.TestCase):
@@ -47,5 +47,6 @@ def test_raises_invalid_argument_types(self):
         with self.assertRaises(ValueError):
             computeLRF('((A,B),C);', '(A,(B,C));')
 
+
 if __name__ == '__main__':
         unittest.main()