// testing easier, given that we know that there are dup values.
Set<String> values;
Map dataIn = new HashMap();
dataIn.put(1, v(m, 1));
dataIn.put(2, v(m, 2));
Set valuesIn = new HashSet(dataIn.values());
final long startTime = System.currentTimeMillis();
final long lifespan = EXPIRATION_TIMEOUT;
cache.putAll(dataIn, lifespan, TimeUnit.MILLISECONDS);