@Test
    void testFailIfNoContentClustersAvailable() {
        List<ClusterDef> clusterDefs = new ArrayList<>();
        ClusterList clusterList = new ClusterList(clusterDefs);
        try {
            VdsVisit.resolveClusterRoute(clusterList, null);
        } catch (IllegalArgumentException e) {
            assertTrue(e.getMessage().contains("Your Vespa cluster does not have any content clusters"));
        }
    }
Test the parameters that could not be used in conjunction with
those in the first parameter test.
vespaclient-java/src/test/java/com/yahoo/vespavisit/VdsVisitTestCase.java