test(crypto-js): Test `RoomMessageRequest.content.

Author: Hywan

tests/machine.test.js

@@ -803,6 +803,20 @@ describe(OlmMachine.name, () => {
             expect(outgoingVerificationRequest.txn_id).toBeDefined();
             expect(outgoingVerificationRequest.event_type).toStrictEqual('m.key.verification.start');
             expect(outgoingVerificationRequest.content).toBeDefined();
+
+            const content = JSON.parse(outgoingVerificationRequest.content);
+            expect(content).toMatchObject({
+                from_device: expect.any(String),
+                method: 'm.sas.v1',
+                key_agreement_protocols: [expect.any(String)],
+                hashes: [expect.any(String)],
+                message_authentication_codes: [expect.any(String), expect.any(String)],
+                short_authentication_string: ['decimal', 'emoji'],
+                'm.relates_to': {
+                    rel_type: 'm.reference',
+                    event_id: eventId.toString(),
+                }
+            });
         })
     });
 });