[wasm] Random tests failing with `main.js 384:18 Uncaught Error: Can't load ./dotnet.js`

[radical]

Rolling Build, and Log.

[20:54:07] fail: {}
[20:54:07] fail: failed to load the dotnet.js file
[20:54:07] info: WASM EXIT 1
[20:54:08] info: Incoming arguments: --run WasmTestRunner.dll System.IO.FileSystem.Manual.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[20:54:08] info: Application arguments: --run WasmTestRunner.dll System.IO.FileSystem.Manual.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[20:54:08] info: browser: Console websocket connected.
[20:54:08] fail: [out of order message from the browser]: http://127.0.0.1:37353/main.js 384:18 Uncaught Error: Can't load ./dotnet.js
[20:54:08] fail: Application has finished with exit code TESTS_FAILED but 0 was expected

FYI, the diff from the previous passing rolling build - https://github.com/dotnet/runtime/compare/a61c1a3c..ad9979381706d1976e4d26e13cb88d6147264968

cc @pavelsavara

Tagging subscribers to 'arch-wasm': @lewing
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Build, and Log.

[20:54:07] fail: {}
[20:54:07] fail: failed to load the dotnet.js file
[20:54:07] info: WASM EXIT 1
[20:54:08] info: Incoming arguments: --run WasmTestRunner.dll System.IO.FileSystem.Manual.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[20:54:08] info: Application arguments: --run WasmTestRunner.dll System.IO.FileSystem.Manual.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[20:54:08] info: browser: Console websocket connected.
[20:54:08] fail: [out of order message from the browser]: http://127.0.0.1:37353/main.js 384:18 Uncaught Error: Can't load ./dotnet.js
[20:54:08] fail: Application has finished with exit code TESTS_FAILED but 0 was expected

FYI, the diff from the previous passing rolling build - https://github.com/dotnet/runtime/compare/a61c1a3c..ad9979381706d1976e4d26e13cb88d6147264968

cc @pavelsavara

Author:	radical
Assignees:	-
Labels:	arch-wasm, blocking-clean-ci
Milestone:	-

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

Tagging subscribers to this area: @dotnet/area-system-io
See info in area-owners.md if you want to be subscribed.

Issue Details

---

Build, and Log.

[20:54:07] fail: {}
[20:54:07] fail: failed to load the dotnet.js file
[20:54:07] info: WASM EXIT 1
[20:54:08] info: Incoming arguments: --run WasmTestRunner.dll System.IO.FileSystem.Manual.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[20:54:08] info: Application arguments: --run WasmTestRunner.dll System.IO.FileSystem.Manual.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[20:54:08] info: browser: Console websocket connected.
[20:54:08] fail: [out of order message from the browser]: http://127.0.0.1:37353/main.js 384:18 Uncaught Error: Can't load ./dotnet.js
[20:54:08] fail: Application has finished with exit code TESTS_FAILED but 0 was expected

FYI, the diff from the previous passing rolling build - https://github.com/dotnet/runtime/compare/a61c1a3c..ad9979381706d1976e4d26e13cb88d6147264968

cc @pavelsavara

Author:	radical
Assignees:	-
Labels:	arch-wasm, area-System.IO, blocking-clean-ci, untriaged
Milestone:	-

[danmoseley]

@lewing any idea?

[pavelsavara]

I changed shape of the dotnet.js file in #61313
But this is just one of many tests that are loading the file.
So I wonder what could be different?

There is not much more in the log.
ChromeDriver 96.0.4664.0 is good.

Are there more cases of this failure ?

[radical]

Another instance of this for System.ComponentModel.TypeConverter.Tests on #61581: Build, and log.

[23:14:33] fail: {}
[23:14:33] fail: failed to load the dotnet.js file
[23:14:34] info: WASM EXIT 1
[23:14:34] info: Incoming arguments: --run WasmTestRunner.dll System.ComponentModel.TypeConverter.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[23:14:34] info: Application arguments: --run WasmTestRunner.dll System.ComponentModel.TypeConverter.Tests.dll -notrait category=IgnoreForCI -notrait category=OuterLoop -notrait category=failing
[23:14:34] info: browser: Console websocket connected.
[23:14:34] fail: [out of order message from the browser]: http://127.0.0.1:34235/main.js 384:18 Uncaught Error: Can't load ./dotnet.js
[23:14:34] fail: Application has finished with exit code TESTS_FAILED but 0 was expected