def test_equal_2(self):
     self.assertEqual(get_real_floor(0), 0)
 def test_equal_1(self):
     self.assertEqual(get_real_floor(1), 0)
 def test_equal_4(self):
     self.assertEqual(get_real_floor(15), 13)
 def test_equal_5(self):
     self.assertEqual(get_real_floor(-3), -3)
 def test_equal_3(self):
     self.assertEqual(get_real_floor(5), 4)