Goal: Get to know the basics of the standard tests provided by Microsoft.
Ever since NAV 2016, Microsoft made their own application test collateral a part of the product. A humongous set of tests is delivered as a .fob file on the product DVD, in the TestToolKit folder, and in the Docker images. Indeed, the tests haven't been delivered as an extension yet.
The standard test suite does contain mainly test codeunits. But there are also a number of supporting table, page, report, and XMLport objects in the .fob file.
For Dynamics 365 Business Central, the whole set contains almost 23,000 tests in more than 700 test codeunits, for w1 and local functionality for each country in which Microsoft releases. And with every bug that's fixed and with every new feature introduced in the application, the number of tests is growing. It has been built over the last...