@Test
public void testNoException() {

  ExceptionMessageConverter converter = new ExceptionMessageConverter();
  LoggerContext context = new LoggerContext();
  converter.setContext(context);
  converter.start();
  LoggingEvent infoEvent =
      new LoggingEvent("fcqn", context.getLogger("fcqn"), Level.INFO, "info", null, null);
  String actual = converter.convert(infoEvent);
  assertThat(actual).contains("");
}