ConstraintValidatorsUtils { private ConstraintValidatorsUtils() { } private  ConstraintValidatorsUtils();   }
@Test public void testConstraintValidatorsUtils() throws Exception { Constructor<ConstraintValidatorsUtils> constructor = ConstraintValidatorsUtils.class .getDeclaredConstructor(); assertThat(constructor.isAccessible(), is(false)); constructor.setAccessible(true); assertThat(constructor.newInstance(), notNullValue()); }