@Test
public void testIsSysAdminUserInvalidDomain() {

    Authority principalAuthority = new com.yahoo.athenz.common.server.debug.DebugPrincipalAuthority();
    Principal principal = SimplePrincipal.create("sports", "nhl", "v=S1;d=sports;n=nhl;s=signature",
            0, principalAuthority);
    assertNotNull(principal);
    assertFalse(zms.isSysAdminUser(principal));
}