def METHOD_NAME(self):
    base_uri = "http://www.google.com"
    uri = base_uri + "?x=a"
    updated = _helpers.update_query_params(uri, {"x": "b", "y": "c"})
    hardcoded_update = base_uri + "?x=b&y=c"
    assertUrisEqual(self, updated, hardcoded_update)