### Question:
RestartOnEnvChangeValidator implements ParameterValidator { @Override public Class<?> getContainerType() { return Module.class; }  @Override boolean isValid(Object restartParameters, final Map<String, Object> context); @Override Class<?> getContainerType(); @Override String getParameterName();  }### Answer:
@Test void testGetContainerType() { assertTrue(validator.getContainerType() .isAssignableFrom(Module.class)); }