@Test
public void testGetChildDocumentKey_ScnearioThree() {

	String mockFormDataCsv = "\"completed\",\"email\",\"role\",\"first\",\"last\",\"title\",\"company\",\"Transaction Number\"" +
\"2015-04-16 12:16:04\",\"cindy.li@feisystems.com\",\"SIGNER\",\"cindy\",\"li\",\"software developer\",\"fei systems\",\"XM6WKHU3JXV5X7D\"";
	
	GetFormDataResult mockGetFormDataResult=mock(GetFormDataResult.class);
	doReturn(mockFormDataCsv).when(mockGetFormDataResult).getFormDataCsv();
	doReturn(mockGetFormDataResult).when(service).getFormData(mockEchoSignApiKey, mockDocumentKey);
	
	Assert.assertNull(sut.getChildDocumentKey(mockDocumentKey));
}