Id id = ff.id(Collections.singleton(ff.featureId(fid)));
assertEquals(-1, store.getCount(new Query(typeName, id)));
assertEquals(1, count(ds, typeName, id, t));
store.removeFeatures(id);
assertEquals(-1, store.getCount(new Query(store.getSchema().getTypeName(), id)));
assertEquals(initialCount - 1, count(ds, typeName, Filter.INCLUDE, t));
assertEquals(0, count(ds, typeName, id, t));
ds.dispose();