Convert a bunch of tests to use scheduled_test's infrastructure.

test/runner/browser/expanded_reporter_test.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 @TestOn("vm")
 
-import 'dart:io';
-
-import 'package:path/path.dart' as p;
-import 'package:test/src/util/io.dart';
-import 'package:test/test.dart';
+import 'package:scheduled_test/descriptor.dart' as d;
+import 'package:scheduled_test/scheduled_stream.dart';
+import 'package:scheduled_test/scheduled_test.dart';
 
 import '../../io.dart';
 
-String _sandbox;
-
 void main() {
-  setUp(() {
-    _sandbox = createTempDir();
-  });
-
-  tearDown(() {
-    new Directory(_sandbox).deleteSync(recursive: true);
-  });
+  useSandbox();
 
   test("prints the platform name when running on multiple platforms", () {
-    new File(p.join(_sandbox, "test.dart")).writeAsStringSync("""
+    d.file("test.dart", """
 import 'dart:async';
 
-import 'package:path/path.dart' as p;
 import 'package:test/test.dart';
 
 void main() {
   test("success", () {});
 }
-""");
+""").create();
 
-    var result = _runTest([
-      "-r",
-      "expanded",
-      "-p",
-      "content-shell",
-      "-p",
-      "vm",
-      "-j",
-      "1",
+    var test = runTest([
+      "-r", "expanded",
+      "-p", "content-shell",
+      "-p", "vm",
+      "-j", "1",
       "test.dart"
     ]);
-    expect(result.stdout, contains("[VM]"));
-    expect(result.stdout, contains("[Dartium Content Shell]"));
-    expect(result.exitCode, equals(0));
+
+    test.stdout.fork().expect(consumeThrough(contains("[VM]")));
+    test.stdout.expect(consumeThrough(contains("[Dartium Content Shell]")));
+    test.shouldExit(0);
   });
 }
-
-ProcessResult _runTest(List<String> args) =>
-    runTest(args, workingDirectory: _sandbox);