test(crypto): fix documentations and removed unused expect

spec/integ/crypto/crypto.spec.ts

@@ -2318,7 +2318,7 @@ describe("crypto", () => {
             // For legacy crypto, these tests only work properly with a proper (indexeddb-based) CryptoStore, so
             // rather than using the existing `aliceClient`, create a new client. Once we drop legacy crypto, we can
             // just use `aliceClient` here.
-            // XXX: Even with the rust-crypto, we need to create to a new client. The tests fail with a timeout error.
+            // XXX: Even with the rust-crypto, we need to create a new client. The tests fail with a timeout error.
             client1 = await makeNewClient(homeserverurl, userId, "client1");
             await client1.startClient({});
         });

spec/integ/crypto/verification.spec.ts

@@ -509,16 +509,12 @@ describe("verification", () => {
             reciprocateQRCodeCallbacks.confirm();
             await sendToDevicePromise;
 
-            // Rust crypto, on the other hand, waits for the 'done' to arrive from the other side.
+            // Rust crypto waits for the 'done' to arrive from the other side.
             if (request.phase === VerificationPhase.Done) {
                 const userVerificationStatus = await aliceClient.getCrypto()!.getUserVerificationStatus(TEST_USER_ID);
                 // eslint-disable-next-line jest/no-conditional-expect
                 expect(userVerificationStatus.isCrossSigningVerified()).toBeTruthy();
                 await verificationPromise;
-            } else {
-                // rust crypto: still in flight
-                // eslint-disable-next-line jest/no-conditional-expect
-                expect(request.phase).toEqual(VerificationPhase.Started);
             }
 
             // the dummy device replies with its own 'done'