Start client in manual launch script.

Not doing this would just cause draupnir to exit.

test/integration/manualLaunchScript.ts

@@ -2,11 +2,12 @@
  * This file is used to launch mjolnir for manual testing, creating a user and management room automatically if it doesn't already exist.
  */
 
-import { makeMjolnir } from "./mjolnirSetupUtils";
+import { draupnirClient, makeMjolnir } from "./mjolnirSetupUtils";
 import { read as configRead } from '../../src/config';
 
 (async () => {
     const config = configRead();
     let mjolnir = await makeMjolnir(config);
     await mjolnir.start();
+    await draupnirClient()?.start();
 })();