Map.of("_default", List.of("*aaa:*bbb*")), //
                Set.of("aaa:*bbb"), //
                buildQuery("aaa:*bbb*"));
    }

    public void test_build_phrase() {
        setQueryType("bool");
        assertQueryContext(

    taskFaker.runNextTask()
    set("a", "aa", "aa")
    set("b", "bb", "bbb")

    // Cause the cache trim job to fail.
    filesystem.setFaultyDelete(cacheDir / "a.0", true)
    taskFaker.runNextTask()

    // Confirm we still allow snapshot reads after a trim failure.
    assertValue("a", "aa", "aa")
    assertValue("b", "bb", "bbb")

    // Allow the test to clean up.