diff --git a/tests/test_perm.py b/tests/test_perm.py
index 19c1186..872b7c3 100644
--- a/tests/test_perm.py
+++ b/tests/test_perm.py
@@ -6,8 +6,9 @@
 
 class TestPerm(unittest.TestCase):
     def test_init(self):
+        Permutation([])
+        Permutation([0, 1])
         Permutation([0, 1, 2, 3])
-        self.assertEqual(Permutation([]), Permutation([0, 1]))
     def test_one(self):
         self.assertEqual(Permutation([1, 0, 2]) ** 2, Permutation([0, 1, 2]))
         self.assertEqual(Permutation([1, 0, 2]).ran(), [1, 0, 2])