def test_humanize_class4(self):
     """Test humanize class 4
     First class interval > 1
     Interval < 1
     """
     my_array = [7.1, 7.5, 7.9]
     my_result_class = humanize_class(my_array)
     my_expected_class = [('0', '7.1'),
                          ('7.1', '7.5'),
                          ('7.5', '7.9')]
     my_msg = 'got: ' + str(my_result_class)
     my_msg += ' expect: ' + str(my_expected_class)
     print_class(my_array, my_result_class, my_expected_class)
     assert my_result_class == my_expected_class, my_msg

 def test_humanize_class2(self):
     """Test humanize class 2
     First class interval > 1
     Interval > 1
     """
     my_array = [1.1, 5754.1, 11507.1]
     my_result_class = humanize_class(my_array)
     my_expected_class = [('0', '1'),
                          ('1', '5,754'),
                          ('5,754', '11,507')]
     print_class(my_array, my_result_class, my_expected_class)
     my_msg = 'got: ' + str(my_result_class)
     my_msg += ' expect: ' + str(my_expected_class)
     assert my_result_class == my_expected_class, my_msg

 def test_humanize_class(self):
     """Test humanize class
     First class interval < 1
     Interval > 1
     """
     my_array = [0.1, 1.2, 2.3, 3.4, 4.5]
     my_result_class = humanize_class(my_array)
     my_expected_class = [('0', '0.1'),
                          ('0.1', '1.2'),
                          ('1.2', '2.3'),
                          ('2.3', '3.4'),
                          ('3.4', '4.5')]
     print_class(my_array, my_result_class, my_expected_class)
     my_msg = 'got: ' + str(my_result_class)
     my_msg += ' expect: ' + str(my_expected_class)
     assert my_result_class == my_expected_class, my_msg

 def test_humanize_class6(self):
     """Test humanize class 5
         First class interval < 1
         Interval > 1
         """
     my_array = [0, 6.1, 7.2, 8.3, 9.4, 10.5]
     my_result_class = humanize_class(my_array)
     my_expected_class = [('0', '6'),
                          ('6', '7'),
                          ('7', '8'),
                          ('8', '9'),
                          ('9', '11')]
     print_class(my_array, my_result_class, my_expected_class)
     my_msg = 'got: ' + str(my_result_class)
     my_msg += ' expect: ' + str(my_expected_class)
     assert my_result_class == my_expected_class, my_msg