RulesPatrolprefer-symbol-over-keyOn this pageprefer-symbol-over-keyadded in: 1.8.0style Suggests using symbols instead of string keys in Patrol tests. Example ❌ Bad: void main() { patrolTest('widget test', () { ... $(Key('button')); // LINT });} ✅ Good: void main() { patrolTest('widget test', () { ... $(#button); });}