public void Remove_AddedSettingsAreRemoved_ThrowsExceptionWhenRemovedKeyIsSubsequentlyUsed()
        {
            PasswordValidationSettings settings = new PasswordValidationSettings();

            PasswordValidationSettingsCache.Add("EphemeralKey", settings);
            PasswordValidationSettingsCache.Remove("EphemeralKey");
            PasswordValidationSettingsCache.Get("EphemeralKey");
        }
 public void Remove_NullKey_ThrowsException()
 {
     PasswordValidationSettingsCache.Remove(null);
 }