Add more tests to project #9
Description
Is your feature request related to a problem? Please describe.
We have a lot of classes now. If we want to keep project in stable state we should take care of adding tests.
Describe the solution you'd like
You should explore and find good C# Test Framework, describe it pros and cons and add couple of tests for beginning.
Describe alternatives you've considered
None.
Additional context
Also you can integrate test process with potential CI tool.