private void handleDuration(FrameworkMethod method, Object testInstance) throws IllegalArgumentException,
IllegalAccessException, InstantiationException {
Duration duration = method.getAnnotation(Duration.class);
if (duration != null) {
if (!duration.forClass().isAssignableFrom(Empty.class)) {
interceptField(duration, getTestClass().getJavaClass(), testInstance);
} else {
Assert.fail("Duration annotation at the method level should have value for the 'forClass' attribute.");
}