@Test
    void checkSourceFederationOptions() {
        FederationOptions options = getSource().federationOptions();

        assertTrue(options.getOptional()); //inherited
        assertEquals(12, options.getTimeoutInMilliseconds());
    }
Test of Search chains builder.

@author Tony Vaagenes
config-model/src/test/java/com/yahoo/vespa/model/builder/xml/dom/chains/search/DomSchemaChainsBuilderTest.java