Yarn can’t install tap-prettify

[davidaurelio]

Do you want to request a feature or report a bug?
bug

What is the current behavior?
Yarn fails with

error Couldn't find a package.json file in ".../node_modules/tap/node_modules/tap-consumer"
info Visit https://yarnpkg.com/en/docs/cli/add for documentation about this command.

If the current behavior is a bug, please provide the steps to reproduce.
yarn add tap-prettify

What is the expected behavior?
Installation without failure

Please mention your node.js, yarn and operating system version.
v8.0.0, v0.24.6, macOS

[arcanis]

Apparently tap-consumer is a bundled dependency of tap, but it isn't available in tap's node_modules - either because it never got copied there during the linking, or because it got somehow removed, possibly when linking its non-bundled dependencies.

[bestander]

merging #886

[bestander]

PR to fix is welcome.
Otherwise it is actually a bug in the package.