### Question:
Config { public synchronized static Config getInstance () { if (null == instance) { log.error("Unconfigured instance requested"); } return instance; } private  Config(ServerConfiguration source); boolean isAllocationDetailsLogging(); boolean isCapacityDetailsLogging(); boolean isUsageChargesLogging(); List<String> getStructureTypes(); void configure(); Map<String, Map<String, StructureInstance>> getStructures(); synchronized static Config getInstance(); synchronized static void initializeInstance(ServerConfiguration configSource);  }### Answer:
@Test public void testGetInstance () { Config item = Config.getInstance(); assertNotNull(item, "Config created"); }