message: Disable GetDiagnostics call if logging level is not verbose
diff: @@ -69,6 +69,7 @@ export class Logger extends Dispatchable {
  check(initial = false) {
  if (!this.enabled) return;
  + if (!Logger.LevelMatch(DiagnosticLevelType.Verbose)) return;
  host.getDiagnostics(initial)
  .then((messages: DiagnosticMessage[]) => {
  