@Test
public void test_classify_nullClassifier3() {

    RetryContext context = Mockito.mock(RetryContext.class);
    ClassifierSimpleRetryPolicy policy = new ClassifierSimpleRetryPolicy(4);
    Mockito.when(context.getLastThrowable()).thenReturn(new RuntimeException());
    Assert.assertFalse(policy.canRetry(context));
}