Hybrid test example

hybrid_test.dart

import 'package:test/test.dart';
import 'package:stream_channel/stream_channel.dart';

main() {
  StreamChannel ch;
  setUpAll(() async {
    ch = spawnHybridUri('server_start.dart', stayAlive: true);
    String message = await ch.stream.first;
    print(message);
  });

  tearDownAll(() {
    ch.sink.add('stop');
  });

  test('test', (){
    expect(1, 1);
  });
}

server_start.dart

import 'package:stream_channel/stream_channel.dart';

hybridMain(StreamChannel ch) {
  ch.sink.add('Server ready');
  ch.stream.listen((message) {
    print(message);
  });
}