message: Fix tests to account for concurrency :)
diff: @@ -104,9 +104,10 @@ describe("DiscordBot", () => {
  let checkMsgSent = false;
  discordBot.SendMatrixMessage = (...args) => checkMsgSent = true;
  - discordBot.OnMessageUpdate(oldMsg, newMsg);
  + discordBot.OnMessageUpdate(oldMsg, newMsg).then(() => {
  Chai.assert.equal(checkMsgSent, false);
  });
  + });
  it("should send a matrix message on an edited discord message", () => {
  discordBot = new modDiscordBot.DiscordBot(
  @@ -130,10 +131,11 @@ describe("DiscordBot", () => {
  let checkMsgSent = false;
  discordBot.SendMatrixMessage = (...args) => checkMsgSent = true;
  - discordBot.OnMessageUpdate(oldMsg, newMsg);
  + discordBot.OnMessageUpdate(oldMsg, newMsg).then(() => {
  Chai.assert.equal(checkMsgSent, true);
  });
  });
  + });
  // describe("ProcessMatrixMsgEvent()", () => {
  //
  