Added some documentation into the testenvironments.json file.

testenvironments.json

@@ -1,4 +1,8 @@
 {
+	// Remote Testing (experimental preview).
+	// Here is some documentation https://learn.microsoft.com/en-us/visualstudio/test/remote-testing?view=vs-2022.
+	// Here a screen shot of the VS2022 where are the Test Explorer https://user-images.githubusercontent.com/13117724/196798350-5a6f94d3-b6cd-424e-b4e8-a9b507dc057a.png.
+	// Ignore "Could not find 'mono' host" error because unit tests don't use the .NET Framework.
 	"version": "1",
 	"environments": [
 		{