LoggerHelper { public static void error(String message) { error(null, message, null); }  static void info(Class<?> clazz, String message); static void info(String message); static void info(String message, Throwable throwable); static void info(Class<?> clazz, String message, Throwable throwable); static void debug(String message); static void debug(String message, Throwable throwable); static void debug(Class<?> clazz, String message, Throwable throwable); static void warn(String message); static void warn(String message, Throwable throwable); static void warn(Class<?> clazz, String message, Throwable throwable); static void error(String message); static void error(Class<?> clazz, String message); static void error(String message, Throwable throwable); static void error(Class<?> clazz, String message, Throwable throwable);  }
@Test public void error() { LoggerHelper.error(null, "test", new Throwable()); LoggerHelper.error(LoggerHelperTest.class, "test", new Throwable()); }