https://blog.andrewwebster.dev/2015/08/proper-karma-ng-html2js-preprocessor.html
Answers I Couldn't Find Anywhere Else: Proper karma-ng-html2js-preprocessor Setup
If you want to test directives in AngularJS, using Karma, and those directives use external templates, you'll have to use the karma-ng-ht...
https://strm.tvn.cl/video-js/node_modules/karma-html2js-preprocessor/
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