ci: example workflow workingdir (#16)

Author: renancaraujo

.github/workflows/example.yaml

@@ -22,3 +22,5 @@ jobs:
 
   build:
     uses: VeryGoodOpenSource/very_good_workflows/.github/workflows/dart_package.yml@v1
+    with:
+      working_directory: "example/"

example/lib/src/commands/some_other_commmand.dart

@@ -31,6 +31,7 @@ class _SomeSubCommand extends Command<int> {
 
   @override
   Future<int> run() async {
+    _logger.info(description);
     for (final rest in argResults!.rest) {
       _logger.info('  - $rest');
     }

example/test/src/commands/some_other_command_test.dart

@@ -25,6 +25,8 @@ void main() {
 
       expect(exitCode, ExitCode.success.code);
 
+      verify(() => logger.info('A sub command of some_other_command'))
+          .called(1);
       verify(() => logger.info('  - anything')).called(1);
       verify(() => logger.info('  - after')).called(1);
       verify(() => logger.info('  - command')).called(1);