testing python code

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def test_user_names(first, last):
“””” a function that prompts for user names “””

full_name = first + ” ” + last
return full_name.title()

guys above is my basic python code which is supposed to prompt for user input, first and last names.

note*.. i have written my file name containing the function above with a test_names.py, i have also done the same for the code below

below is the (unittest) code i am using to test if my code behaves correctly.

“”” a class to test my test_names.py code”””

import unittest

from test_file_names import user_names

class test_nomencreture(unittest.TestCase):

def test_namesakes(self):
adder = user_names(‘john’,’pedro’)
self.assertEquals(adder, ‘john pedro’)

unittest.main()

….but for some reason am getting an error ,the test is failing ,the test is not running ,

Ran 0 tests in 0.000s

NO TESTS RAN

Process finished with exit code 5

Empty suite

(i am a beginner forgive me if the error is too basic . i do not know what the empty suite means,your help will be much appreciated