message: Added tests to Typegoose
diff: @@ -49,6 +49,12 @@ export class User extends Typegoose {
  @prop({ index: true, unique: true })
  uniqueId?: string;
  + @prop({ unique: true, sparse: true })
  + username?: string;
  +
  + @prop({ expires: '24h' })
  + expireAt?: Date;
  +
  @prop({ min: 10, max: 21 })
  age?: number;
  