test: add packaged import coverage#406

Bortlesboat wants to merge 2 commits into

a2aproject:maina2aproject/a2a-js:mainfrom

Bortlesboat:codex/a2a-js-pack-install-test-294Bortlesboat/a2a-js:codex/a2a-js-pack-install-test-294Copy head branch name to clipboard