@Test
    void testSearchChainCreation() {
        assertEquals("test", searchChain.getId().stringValue());
        assertEquals("test", searchChain.getId().getName());
        assertEquals(Version.emptyVersion, searchChain.getId().getVersion());
        assertEquals(new Version(), searchChain.getId().getVersion());
        assertEqualMembers(List.of("one", "two"), searcherNames(searchChain.searchers()));
    }
Tests basic search chain functionality - creation, inheritance and ordering

@author bratseth
container-search/src/test/java/com/yahoo/search/searchchain/test/SearchChainTestCase.java