@Test
    void testTraceWithQuery() {
        testQueryInTrace(true, "trace.query=true");
        testQueryInTrace(false, "trace.query=false");
        testQueryInTrace(true, "");
    }
Tests tracing scenarios where traces from multiple executions over the same query are involved.

@author bratseth
container-search/src/test/java/com/yahoo/search/searchchain/test/TraceTestCase.java