def METHOD_NAME(self) -> None:
    self.generate_config()
    # Needed to ensure that actual key/value pair added below don't end up on a line with a comment
    self.add_lines_to_config([" "])
    # Check that presence of "trust_identity_server_for_password" throws config error
    self.add_lines_to_config(["trust_identity_server_for_password_resets: true"])
    with self.assertRaises(ConfigError):
        HomeServerConfig.load_config("", ["-c", self.config_file])