@Test
    void testChangeGlobalAttribute() {
        testChangeGlobalAttribute(true, false, false, null);
        testChangeGlobalAttribute(true, true, true, null);
        testChangeGlobalAttribute(false, false, true, null);
        testChangeGlobalAttribute(false, true, false, null);
        testChangeGlobalAttribute(true, false, true, globalDocumentValidationOverrides);
        testChangeGlobalAttribute(true, true, false, globalDocumentValidationOverrides);
    }
Test that global attribute changes are detected by change validator.
config-model/src/test/java/com/yahoo/vespa/model/application/validation/change/GlobalDocumentChangeValidatorTest.java