public void TestSetsDiff()
{
const string key1 = "testSetDiff1";
var values1 = new[] { "a", "b", "c", "d", "e" };
const string key2 = "testSetDiff2";
var values2 = new[] { "a", "b", };
redisContext.AddToSet(key1, values1);
redisContext.AddToSet(key2, values2);
var results = redisContext.GetSetsDifference(new[] { key1, key2 });
CollectionAssert.AreEquivalent(new [] { "c", "d", "e" }, results);
}