@Test(expectedExceptions = DescriptorValidationFailedException.class)
public void testParseNodeWhenNoInterceptorClassShouldThrowException() {

    //GIVEN
    given(requestInterceptorInitializer.getExternalClassObject(CLASS)).willReturn(null);
    given(responseInterceptorInitializer.getExternalClassObject(CLASS)).willReturn(null);
    //WHEN
    underTest.parseNode(interceptorNode, document);
    //THEN it should throw exception
}