[mt][browser] Wasm.Browser.EventPipe.Sample fails #98026
Description
[23:56:45] fail: [out of order message from the browser]: http://127.0.0.1:46763/_framework/dotnet.native.js 7:66632 Uncaught ErrorEvent: Uncaught SyntaxError: Failed to construct 'WebSock…t be either 'ws' or 'wss'. 'mock' is not allowed.
[23:56:45] fail: [out of order message from the browser]: http://127.0.0.1:46763/_framework/dotnet.runtime.js 2 Uncaught (in promise) SyntaxError: Failed to construct 'WebSocket': The URL's scheme must be either 'ws' or 'wss'. 'mock' is not allowed.
[23:56:45] fail: [out of order message from the browser]: http://127.0.0.1:46763/_framework/dotnet.native.worker.js 0 Uncaught SyntaxError: Failed to construct 'WebSocket': The URL's scheme must be either 'ws' or 'wss'. 'mock' is not allowed.
[23:56:45] info: please recompile runtime with /p:WasmEnableThreads=true /p:MonoDiagnosticsMock=truemessage
[23:56:45] info: http://127.0.0.1:46763/_framework/dotnet.runtime.js 2 [0x007a56b0] MONO_WASM: starting diagnostic server with url: mock:./mock.js
[23:56:45] info: worker sent an error! http://127.0.0.1:46763/_framework/dotnet.native.worker.js:1: Uncaught SyntaxError: Failed to construct 'WebSocket': The URL's scheme must be either 'ws' or 'wss'. 'mock' is not allowed.
[00:11:44] info: Waiting to flush log messages with a timeout of 120 secs ..
[00:11:44] fail: Flushing log messages failed with: System.OperationCanceledException: The operation was canceled.
at System.Threading.Channels.AsyncOperation`1.GetResult(Int16 token)
at System.Threading.Channels.ChannelReader`1.ReadAllAsync(CancellationToken cancellationToken)+MoveNext()
at System.Threading.Channels.ChannelReader`1.ReadAllAsync(CancellationToken cancellationToken)+System.Threading.Tasks.Sources.IValueTaskSource<System.Boolean>.GetResult()
at Microsoft.DotNet.XHarness.CLI.Commands.Wasm.WasmTestMessagesProcessor.RunAsync(CancellationToken token) in /_/src/Microsoft.DotNet.XHarness.CLI/Commands/WASM/WasmTestMessagesProcessor.cs:line 66
at Microsoft.DotNet.XHarness.CLI.Commands.Wasm.WasmTestMessagesProcessor.RunAsync(CancellationToken token) in /_/src/Microsoft.DotNet.XHarness.CLI/Commands/WASM/WasmTestMessagesProcessor.cs:line 66
at Microsoft.DotNet.XHarness.CLI.Commands.Wasm.WasmTestMessagesProcessor.CompleteAndFlushAsync(Nullable`1 timeout) in /_/src/Microsoft.DotNet.XHarness.CLI/Commands/WASM/WasmTestMessagesProcessor.cs:line 138. Ignoring.
[00:11:44] fail: Tests timed out. Killing driver service pid 79