Nosetests - Running test always runs the test twice

Environment data

• VS Code version: 1.35.1
• Extension version (available under the Extensions sidebar): 2019.5.18875
• OS and version: Ubuntu 18.04
• Python version (& distribution if applicable, e.g. Anaconda): 3.6.7 and 3.6.8
• Type of virtual environment used (N/A | venv | virtualenv | conda | …): venv
• Jedi or Language Server? (i.e. what is "python.jediEnabled" set to; more info #3977): Both

Expected behaviour

Test runs once

Actual behaviour

Test runs twice

Steps to reproduce:

Use the repo here: https://github.com/amittleider/vscode_multi_workspace_bug_repro , which is configured for nosetests. Run the test discovery and click the “Run test” code lens. It will run the same test twice (you know because there are 2 dots in the Python Test Log window).

[djplt]

I can confirm this issue is still happening - when I debug the test only happens once

[amittleider]

If I use the “Run all tests” button (at the top), the tests will only run once. If I run only the tests of upper_level_project, the tests are run twice. Here’s a gif.