def test_pd_lower_limit(self):
     result = grade_calculator.grade_converter(3.5)
     self.assertEqual(result, 92)
 def test_pd_upper_limit(self):
     result = grade_calculator.grade_converter(4)
     self.assertEqual(result, 100)
 def test_n_lower_limit(self):
     result = grade_calculator.grade_converter(0)
     self.assertEqual(result, 0)
 def test_out_of_range(self):
     result = grade_calculator.grade_converter(4.1)
     self.assertEqual(result, 'DOK grade out of range')
 def test_n_upper_limit(self):
     result = grade_calculator.grade_converter(1.4)
     self.assertEqual(result, 54)