leap: replace assertFalse with assertIs because the test passes if the tested method returns None, replace assertTrue with assertIs for consistency.

olufotebig · olufotebig · commit 4d92daada5fc · 2017-10-05T22:29:00.000Z
diff --git a/exercises/leap/leap_test.py b/exercises/leap/leap_test.py
@@ -7,16 +7,16 @@
 
 class YearTest(unittest.TestCase):
     def test_year_not_divisible_by_4(self):
-        self.assertFalse(is_leap_year(2015))
+        self.assertIs(is_leap_year(2015), False)
 
     def test_year_divisible_by_4_not_divisible_by_100(self):
-        self.assertTrue(is_leap_year(2016))
+        self.assertIs(is_leap_year(2016), True)
 
     def test_year_divisible_by_100_not_divisible_by_400(self):
-        self.assertFalse(is_leap_year(2100))
+        self.assertIs(is_leap_year(2100), False)
 
     def test_year_divisible_by_400(self):
-        self.assertTrue(is_leap_year(2000))
+        self.assertIs(is_leap_year(2000), True)
 
 
 if __name__ == '__main__':
