New files in vscode report "no tests found in this file"

[haukened]

Describe the bug

After creating a new file in vscode and filling it with tests, running tests with vitest plugin results in message "no tests found in file"

Reproduction

1. Create a new test file foo.mapper.test.ts
2. Write tests
3. Select "Run tests with coverage in this file"
4. Observe the sadness
5. Reload the window using developer command
6. re-run tests
7. success.

Output

See screenshot

Extension Version

1.18.1

Vitest Version

vitest/3.1.3 linux-x64 node-v22.14.0

Validations

• Check that you are using the latest version of the extension
• Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• Check that this is a concrete bug. For Q&A open a GitHub Discussion or join our Discord Chat Server.
• The provided reproduction is a minimal reproducible example of the bug.