### Question:
DomainLookupsCache { public String getDefinitionSetId() { return defSetId; } DomainLookupsCache(final DefinitionManager definitionManager,
                       final DefinitionsCacheRegistry definitionsRegistry,
                       final String defSetId); Set<String> getDefinitions(final String label); void clear(); String getDefinitionSetId(); List<CanConnect> getConnectionRules(); RuleSet getRuleSet();  }### Answer:
@Test public void testGetDefinitionSetId() { assertEquals(DEF_SET_ID, tested.getDefinitionSetId()); }