Test that console.timeStamp generates Performance.metrics event title: test1 Timestamp AudioHandlers AudioWorkletProcessors Documents Frames JSEventListeners LayoutObjects MediaKeySessions MediaKeys Nodes Resources ContextLifecycleStateObservers V8PerContextDatas WorkerGlobalScopes UACSSResources RTCPeerConnections ResourceFetchers AdSubframes DetachedScriptStates ArrayBufferContents LayoutCount RecalcStyleCount LayoutDuration RecalcStyleDuration DevToolsCommandDuration ScriptDuration V8CompileDuration TaskDuration TaskOtherDuration ThreadTime ProcessTime JSHeapUsedSize JSHeapTotalSize FirstMeaningfulPaint DomContentLoaded NavigationStart title: test1 Timestamp AudioHandlers AudioWorkletProcessors Documents Frames JSEventListeners LayoutObjects MediaKeySessions MediaKeys Nodes Resources ContextLifecycleStateObservers V8PerContextDatas WorkerGlobalScopes UACSSResources RTCPeerConnections ResourceFetchers AdSubframes DetachedScriptStates ArrayBufferContents LayoutCount RecalcStyleCount LayoutDuration RecalcStyleDuration DevToolsCommandDuration ScriptDuration V8CompileDuration TaskDuration TaskOtherDuration ThreadTime ProcessTime JSHeapUsedSize JSHeapTotalSize FirstMeaningfulPaint DomContentLoaded NavigationStart title: default Timestamp AudioHandlers AudioWorkletProcessors Documents Frames JSEventListeners LayoutObjects MediaKeySessions MediaKeys Nodes Resources ContextLifecycleStateObservers V8PerContextDatas WorkerGlobalScopes UACSSResources RTCPeerConnections ResourceFetchers AdSubframes DetachedScriptStates ArrayBufferContents LayoutCount RecalcStyleCount LayoutDuration RecalcStyleDuration DevToolsCommandDuration ScriptDuration V8CompileDuration TaskDuration TaskOtherDuration ThreadTime ProcessTime JSHeapUsedSize JSHeapTotalSize FirstMeaningfulPaint DomContentLoaded NavigationStart