Add some logging around sinon sandbox
Add some logging around sinon sandbox

Trying to track down intermittent issue where on Windows the sandbox doesn't seem to be intercepting the calls to the dart.getPackages command in pub_get_runs_automatically_when_pubspec_is_saved.

Dart-Code/Dart-Code,Dart-Code/Dart-Code,Dart-Code/Dart-Code,Dart-Code/Dart-Code,Dart-Code/Dart-Code