Python tests stop button doesn't work

[willmckeandeb]

Type: Bug

I have Python tests configured with unittest. Once a test is in progress, there is a stop button on the testing tab that used to halt the currently running test. As of approx the last 3 weeks the stop button no longer works. Same applies to the stop button in the test results console tab.

VS Code version: Code 1.81.1 (6c3e3dba23e8fadc360aed75ce363ba185c49794, 2023-08-09T22:40:25.698Z)
OS version: Darwin arm64 22.1.0
Modes:

System Info

Item	Value
CPUs	Apple M1 Pro (10 x 24)
GPU Status	2d_canvas: enabled canvas_oop_rasterization: disabled_off direct_rendering_display_compositor: disabled_off_ok gpu_compositing: enabled metal: disabled_off multiple_raster_threads: enabled_on opengl: enabled_on rasterization: enabled raw_draw: disabled_off_ok video_decode: enabled video_encode: enabled vulkan: disabled_off webgl: enabled webgl2: enabled webgpu: enabled
Load (avg)	27, 12, 10
Memory (System)	16.00GB (0.12GB free)
Process Argv	--crash-reporter-id b44b34bd-4b41-4224-b182-4a064da321c9
Screen Reader	no
VM	0%

Extensions (17)

Extension	Author (truncated)	Version
multi-cursor-case-preserve	Car	1.0.5
codealignment-vscode	cpm	2.0.19
vscode-eslint	dba	2.4.2
gitlens	eam	14.2.1
shell-format	fox	7.2.5
vscode-github-actions	git	0.26.1
code-groovy	mar	0.1.2
black-formatter	ms-	2023.4.1
python	ms-	2023.14.0
autodocstring	njp	0.6.1
vscode-xml	red	0.26.1
vscode-yaml	red	1.14.0
markdown-preview-enhanced	shd	0.6.8
swift-lang	ssw	1.4.0
shellcheck	tim	0.33.1
search	use	0.0.1
vscode-lldb	vad	1.9.2

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[eleanorjboyd]

Hello! Is it possible for you to try this on vscode insiders with the newest version of the python extension? I think a recent fix I just put out two days ago might be the fix. If you can't try it you could also send over a minimal repro and I could try. Otherwise, I can keep this open till stable comes out. Thanks

[eleanorjboyd]

Following up I think this new PR is the fix #21876. I am assuming you are on the new testing rewrite since that has had reported problems similar to this but if you are not please let me know.

To see if you are on the rewrite, look to see if Experiment 'pythonTestAdapter' is active in your python logs. If you are unable to see the log for the experiment change your log level to info or trace and it should show up. Thanks!

[joaomoreno]

@eleanorjboyd Please provide verification steps.