@Test
public void testGetContractManifestFilenameNoManifestName() {

    HashMap<String, String> extras = new HashMap<>();
    ContractManifest m = new ContractManifest(null, null, null, null, null, null, null, extras);
    String result = getContractManifestFilename(m);
    assertThat(result, is(ContractUtils.MANIFEST_FILENAME_SUFFIX));
}