Migrate from web-test-runner to vitest in browser mode - #331

Migrate from web-test-runner to vitest in browser mode#331

dgreif with Copilot wants to merge 4 commits into

maingithub/catalyst:mainfrom

copilot/update-to-vitest-browsergithub/catalyst:copilot/update-to-vitest-browserCopy head branch name to clipboard