@Test
public void isNotWriteableForAnyCollectionOfOtherTypeThanOutputItems() throws Exception {

    Class<Collection> type = Collection.class;
    ParameterizedType genericType = ParameterizedTypeImpl.newParameterizedType(Collection.class, String.class);
    assertFalse(collectionMultipartFormDataMessageBodyWriter.isWriteable(type, genericType, new Annotation[0], null));
}