Fix testpack-cli tests

[wimpyprogrammer]

Fix testpack-cli tests failing during last scheduled run.

Test suite failed to run

src/e2e.spec.ts:3:1 - error TS2582: Cannot find name 'describe'. Do you need to install type definitions for a test runner? Try npm i --save-dev @types/jest or npm i --save-dev @types/mocha.

[codecov]

Codecov Report

Merging #16 (73b1422) into develop (49361e8) will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##           develop       #16   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files            5         5           
  Lines           68        68           
  Branches         9         9           
=========================================
  Hits            68        68           

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