@Test
    void distributor_operation_cancelling_config_controlled_by_properties() throws Exception {
        assertFalse(resolveDistributorOperationCancellationConfig(null)); // defaults to false
        assertFalse(resolveDistributorOperationCancellationConfig(0));
        assertTrue(resolveDistributorOperationCancellationConfig(1));
        assertTrue(resolveDistributorOperationCancellationConfig(2));
    }
Here there is no good choice.
config-model/src/test/java/com/yahoo/vespa/model/content/ContentClusterTest.java