OptionalclockClock used for timestamps. Default: Date.now.
OptionallatencyArtificial latency (ms) applied before each result. Default 0, which
responds synchronously inside handleMessage.
OptionalschedulerScheduler used for deferred pushes. Default: setTimeout.
OptionalseedSeed for deterministic ids and fixture ordering. Default 1.
OptionalstoreShared store; a fresh seeded one is created when omitted.
OptionaluserShell user (fixture name or hex pubkey). Default alice.
Options for
createMockRelayService.Example