message: MockMember now has a displayName setter
diff: @@ -5,12 +5,10 @@ export class MockMember {
  public id = "";
  public presence: Discord.Presence;
  public user: MockUser;
  - public displayName: string;
  - constructor(id: string, username: string) {
  + constructor(id: string, username: string, public guild = null, public displayName: string = username) {
  this.id = id;
  this.presence = new Discord.Presence({});
  this.user = new MockUser(this.id, username);
  - this.displayName = username;
  }
  public MockSetPresence(presence: Discord.Presence) {
  