test/regression/other/null_safety.unit

>>> issues found when migrating to null safety
void main() => print('first: ${first<int>([1, 2, 3])}');
<<<
void main() => print('first: ${first<int>([1, 2, 3])}');
>>>
var x = '${jsonEncode([
  1,
])}';
<<<
var x = '${jsonEncode([
      1,
    ])}';
>>>
main() {
  patch..[entityId].removeWhere();
}
<<<
main() {
  patch..[entityId].removeWhere();
}