@Test
public void testGetChildDocumentKey_ScnearioOne() {

	String mockFormDataCsv = "\"completed\",\"email\",\"role\",\"first\",\"last\",\"title\",\"company\",\"Transaction Number\"";
	GetFormDataResult mockGetFormDataResult=mock(GetFormDataResult.class);
	doReturn(mockFormDataCsv).when(mockGetFormDataResult).getFormDataCsv();
	doReturn(mockGetFormDataResult).when(service).getFormData(mockEchoSignApiKey, mockDocumentKey);
	Assert.assertNull(sut.getChildDocumentKey(mockDocumentKey));
}