updateAndCommitSampleFile function
Update and commit sample file
Implementation
Future<void> updateAndCommitSampleFile(
Directory testDir, {
String message = 'Commit Message',
String fileName = 'sample.txt',
}) async {
final file = File('${testDir.path}/$fileName');
final content = await file.exists() ? file.readAsString() : '';
final newContent = '${content}updated';
await File('${testDir.path}/sample.txt').writeAsString(newContent);
await commitFile(testDir, 'sample.txt', message: message);
}