Run unit tests with discovery (-m) or from __main__() with verbosity level 2
 - python -m unittest test_numbers.py
 - python test_numbers.py

Output with verbosity level < 2:
================================
...........
----------------------------------------------------------------------
Ran 11 tests in 0.002s

OK


Output with verbosity level >=2:
================================
test_a_number_of_numbers (C_expressions.test_expressions.TestCase_a_number_of_numbers.test_a_number_of_numbers) ... ok
test_b_first_three_numbers (C_expressions.test_expressions.TestCase_b_first_three_numbers.test_b_first_three_numbers) ... ok
test_c_last_three_numbers (C_expressions.test_expressions.TestCase_c_last_three_numbers.test_c_last_three_numbers) ... ok
test_d_last_threeClass_in_reverse (C_expressions.test_expressions.TestCase_d_last_threeClass_in_reverse.test_d_last_threeClass_in_reverse) ... ok
test_e_odd_numbers (C_expressions.test_expressions.TestCase_e_odd_numbers.test_e_odd_numbers) ... ok
test_f_number_of_odd_numbers (C_expressions.test_expressions.TestCase_f_number_of_odd_numbers.test_f_number_of_odd_numbers) ... ok
test_g_sum_of_odd_numbers (C_expressions.test_expressions.TestCase_g_sum_of_odd_numbers.test_g_sum_of_odd_numbers) ... ok
test_h_duplicateClass_removed (C_expressions.test_expressions.TestCase_h_duplicateClass_removed.test_h_duplicateClass_removed) ... ok
test_i_number_of_duplicate_numbers (C_expressions.test_expressions.TestCase_i_number_of_duplicate_numbers.test_i_number_of_duplicate_numbers) ... ok
test_j_ascending_squaredClass_no_duplicates (C_expressions.test_expressions.TestCase_j_ascending_squaredClass_no_duplicates.test_j_ascending_squaredClass_no_duplicates) ... ok
test_k_classifyClass_as_odd_even_empty (C_expressions.test_expressions.TestCase_k_classifyClass_as_odd_even_empty.test_k_classifyClass_as_odd_even_empty) ... ok
----------------------------------------------------------------------
Ran 11 tests in 0.005s

OK
<unittest.runner.TextTestResult run=11 errors=0 failures=0>