':param orig_url: url_object with the URL to mutate
:return: A list of strings with URLs that will be sent to the remote
site to test if the inclusion is successful or not. Techniques
used to mutate:
* Remove protocol
* Case sensitive protocol
* Same as input'

def _mutate_rfi_urls(self, orig_url):

    result = [orig_url.url_string]
    url_str = orig_url.url_string.replace((orig_url.get_protocol() + '://'), '', 1)
    result.append(url_str)
    orig_proto = orig_url.get_protocol()
    mutated_proto = orig_proto.replace('http', 'hTtP')
    url_str = orig_url.url_string.replace(orig_proto, mutated_proto, 1)
    result.append(url_str)
    return result
