message: nicer output, comment
diff: @@ -39,9 +39,10 @@ module.exports = async function e2eEncryptionScenarios(alice, bob) {
  bob.log.step(`starts SAS verification with ${alice.username}`);
  const bobSasPromise = startSasVerifcation(bob, alice.username);
  const aliceSasPromise = acceptSasVerification(alice, bob.username);
  + // wait in parallel, so they don't deadlock on each other
  const [bobSas, aliceSas] = await Promise.all([bobSasPromise, aliceSasPromise]);
  assert.deepEqual(bobSas, aliceSas);
  - bob.log.done(`done, (${bobSas.join(", ")}) matches!`);
  + bob.log.done(`done (match for ${bobSas.join(", ")})`);
  const aliceMessage = "Guess what I just heard?!"
  await sendMessage(alice, aliceMessage);
  await receiveMessage(bob, {sender: "alice", body: aliceMessage, encrypted: true});
  