def test_is_one(self): one = convert_number_to_roman_letter(1) self.assertEqual(one, "I")
def test_is_twenty_five(self): twenty_five = convert_number_to_roman_letter(25) self.assertEqual(twenty_five, "XXV")
def test_is_thirty_nine(self): thirty_nine = convert_number_to_roman_letter(39) self.assertEqual(thirty_nine, "XXXIX")
def test_is_twenty(self): twenty = convert_number_to_roman_letter(20) self.assertEqual(twenty, "XX")
def test_is_twenty_two(self): twenty_two = convert_number_to_roman_letter(22) self.assertEqual(twenty_two, "XXII")
def test_is_fifteen(self): fifteen = convert_number_to_roman_letter(15) self.assertEqual(fifteen, "XV")
def test_is_sixteen(self): sixteen = convert_number_to_roman_letter(16) self.assertEqual(sixteen, "XVI")
def test_is_eleven(self): eleven = convert_number_to_roman_letter(11) self.assertEqual(eleven, "XI")
def test_is_twelve(self): twelve = convert_number_to_roman_letter(12) self.assertEqual(twelve, "XII")
def test_is_three(self): thirteen = convert_number_to_roman_letter(3) self.assertEqual(thirteen, "III")
def test_is_between_six(self): six = convert_number_to_roman_letter(6) self.assertEqual(six, "VI")
def test_is_fifty(self): fifty = convert_number_to_roman_letter(50) self.assertEqual(fifty, "L")
def test_is_ten(self): ten = convert_number_to_roman_letter(10) self.assertEqual(ten, "X")
def test_is_nine(self): nine = convert_number_to_roman_letter(9) self.assertEqual(nine, "IX")
def test_is_five(self): five = convert_number_to_roman_letter(5) self.assertEqual(five, "V")
def test_is_four(self): four = convert_number_to_roman_letter(4) self.assertEqual(four, "IV")