astro-6-vitest-repro

Steps to reproduce

Editing the vitest.config.ts file and using defineConfig() from vitest/config to define the Vitest configuration works as expected.
Only relying on getViteConfig() from astro/config causes the issue.

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
.vscode		.vscode
public		public
src/pages		src/pages
tests		tests
.gitignore		.gitignore
README.md		README.md
astro.config.mjs		astro.config.mjs
package.json		package.json
pnpm-lock.yaml		pnpm-lock.yaml
tsconfig.json		tsconfig.json
vitest.config.ts		vitest.config.ts