    @Test
    public void testModifyWorkFlowExtensions() throws Exception {

        String workFlowExtensions19 = IOUtils.toString(workflow19Stream);
        String modifiedWorkFlowExtensions = ResourceModifier.modifyWorkFlowExtensions(workFlowExtensions19);

        Document modifiedDoc = ResourceUtil.buildDocument(modifiedWorkFlowExtensions, "modifiedWorkFlowExtensions");
        Document expectedDoc = ResourceUtil.buildDocument(workflow110Stream, FILE_NAME_WORK_FLOW_EXTENSIONS_110);

        Assert.assertEquals(compareXMLDocuments(expectedDoc, modifiedDoc), true);
    }