First solution with a loop inside test method.

test_first.py

import unittest

def support_http_protocol(protocol):
    if protocol in ('POST', 'GET'):
        return True
    else:
        return False
        
class SupportHttpProtocolTestCase(unittest.TestCase):

    def test_support(self):
        expected_values = {
            'POST': True,
            'GET': True,
            'PUT': False,
            'DELETE': False
        }
        for protocol, expected in expected_values.items():
            self.assertEqual(support_http_protocol(protocol), expected)
            
if __name__ == '__main__':
	unittest.main()