Set<InstrumentationProvider> providers = mgr.getProviders();
assertNotNull(providers);
assertEquals(1, providers.size());
InstrumentationProvider provider = providers.iterator().next();
assertEquals(provider.getClass(), SimpleProvider.class);
Instrument inst = provider.getInstrumentByName(DCInstrument.NAME);
assertNotNull(inst);
assertTrue(inst instanceof DataCacheInstrument);
DataCacheInstrument dci = (DataCacheInstrument)inst;
assertEquals(dci.getCacheName(), "default");