def test_is_perm_true(self):
string1 = "test"
string2 = "test"
self.assertTrue(is_perm(string1, string2))
string1 = "testing"
string2 = "gintset"
self.assertTrue(is_perm(string1, string2))
def test_is_perm_false(self):
string1 = "test"
string2 = "bar"
self.assertFalse(is_perm(string1, string2))
