@Test
    void testThatCloneGetANewSessionId() {
        Query q = new Query();
        q.getSessionId("node-0");
        Query clonedQ = q.clone();
        assertNull(clonedQ.getSessionId());
        assertNotEquals(q.getSessionId(), clonedQ.getSessionId("node-0"));
    }
Test that we get the last value if a parameter is assigned multiple times
container-search/src/test/java/com/yahoo/search/test/QueryTestCase.java