Restore 'Install a package with a dependency' test

We marked it broken with https://github.com/wp-cli/package-command/pull/170

I think we're getting hit by some rate limiting. My best bet would be to only run it on one CI build.

Related https://github.com/wp-cli/package-command/pull/164 https://github.com/wp-cli/.github/pull/51

**Done is:**
* The 'Install a package with a dependency' test is restored.