Running Angular project unit-tests on Stackblitz

Too Long; Didn't Read

<em>I am not a part of Stackblitz team so it is not a promotion article:-) I just think </em><strong><em>Stackblitz</em></strong><em> is a great way to present your code for articles readers. But longtime one small feature was escaping me: how I can run an Angular project on </em><a href="https://stackblitz.com/"><em>stackblitz</em></a><em> and then switch the same project to run unit tests. Interested? Keep&nbsp;reading!</em>