@AfterClass
  public static void afterClass() {
    // after all the tests are done, the map has nothing left.
    assertThat(apiWithJQFilters).hasSize(0);
  }
this test is to make sure: 1. we have a test to verify the jq filter we add to the controller 2.
the JQFilter we added is valid
geode-assembly/src/distributedTest/java/org/apache/geode/management/JQFilterVerificationDUnitTest.java