The build warnings were of these type (mostly reported by xUnit's Code Analyzers):
- Fixed wrong parameter order in xUnit assertions (can lead to poor error reporting in test failures)
- Unused code was removed
- Correct assertions were used (e.g. Assert.True/.Contains/.EndsWith)
- Public non-test methods on test classes were made private
* Remove controlling echoing by command
* Add 'echo on' and 'echo off' action commands
* PR feedback and add L0 tests
* Register new command
* Eric's PR feedback
* Tweak logging a bit
* Rename EchoOnActionCommandSuccess -> EchoOnActionCommand
* More PR reaction
* Make warning messages in Action Commands not rely on context from echo commands
