public void WhenCalled_ReturnsKeys()
                {
                    var keys = FakeTableTimedLockoutStore.CreateEntityKeys("key");

                    Assert.Equal("key", keys.PartitionKey);
                    Assert.Equal("Lockout", keys.RowKey);
                }
 public void NullKey_Throws()
 {
     Assert.Throws <ArgumentNullException>("key", () =>
     {
         FakeTableTimedLockoutStore.CreateEntityKeys(key: null);
     });
 }