Pass them as Legal for wild encounters similar to M1/M2/M4.
Add test cases & test pkm validation
Add pid generator support
I decided against checking these PIDIVs after all others; inlined
methods.
Closes#2328 , thanks @pokecal !
* Rewrite tests with XUnit and .Net Core
* Add better "because" message
* Skipping test that was not ready & convert the fact to a theory
* Tweak casing
* Convert select date tests to theories
* Make the GetStringList load lock safer