Workspace + browser mode = doesn't work

[anilanar]

Describe the bug

See reproduction.

It works fine in non-browser mode.

What seems to happen is vitest doesn't construct test file paths correctly. For ./packages/foo/foo.test.ts, it tries to run a test for ./foo.test.ts. In fact, manually changing the url search param path from foo.test.ts to packages/foo/foo.test.ts runs the correct test.

Reproduction

https://github.com/anilanar/vitest-workspace-browser-repro

System Info

System:
    OS: Linux 6.1 NixOS 23.05 (Stoat) 23.05 (Stoat)
    CPU: (12) x64 AMD Ryzen 5 2600 Six-Core Processor
    Memory: 52.21 GB / 62.74 GB
    Container: Yes
    Shell: 5.9 - /run/current-system/sw/bin/zsh
  Binaries:
    Node: 20.3.1 - /etc/profiles/per-user/aanar/bin/node
    npm: 9.6.7 - /etc/profiles/per-user/aanar/bin/npm
  Browsers:
    Brave Browser: 114.1.52.130
    Chromium: 114.0.5735.198
  npmPackages:
    @vitest/browser: ^0.34.1 => 0.34.1 
    vitest: ^0.34.1 => 0.34.1

Used Package Manager

npm

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[sheremet-va]

Fixed by #3947