pack and install: "before all" hook: should be able to use the d.ts for "should be able to webpack the library" failed

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---

commit: 81cf335d69a34449d68aac967f103e7dd2c61754
buildURL: Build Status, Sponge
status: failed

Test output

Command failed with exit code 1: npm install
Error: Command failed with exit code 1: npm install
    at makeError (node_modules/execa/lib/error.js:60:11)
    at handlePromise (node_modules/execa/index.js:118:26)
    at processTicksAndRejections (internal/process/task_queues.js:97:5)
    at async Context. (build/system-test/test.kitchen.js:45:9)
        -> /workspace/system-test/test.kitchen.ts:46:5