@Test
public void testGetServerSignedDomainInvalidMultiple() {

    MockZMSFileChangeLogStore fstore = new MockZMSFileChangeLogStore(FSTORE_PATH, null, null);
    ZMSClient zmsClient = Mockito.mock(ZMSClient.class);
    fstore.setZMSClient(zmsClient);
    List<SignedDomain> domains = new ArrayList<>();
    DomainData domData1 = new DomainData().setName("athenz");
    SignedDomain domain1 = new SignedDomain().setDomain(domData1);
    DomainData domData2 = new DomainData().setName("coretech");
    SignedDomain domain2 = new SignedDomain().setDomain(domData2);
    domains.add(domain1);
    domains.add(domain2);
    SignedDomains domainList = new SignedDomains().setDomains(domains);
    Mockito.when(zmsClient.getSignedDomains("athenz", null, null, null)).thenReturn(domainList);
    assertNull(fstore.getServerSignedDomain("athenz"));
}