Split unittest tests into separate test files.

pkg/unittest/test/unittest_test_returning_future_test.dart

Index: pkg/unittest/test/unittest_test_returning_future_test.dart
===================================================================
--- pkg/unittest/test/unittest_test_returning_future_test.dart	(revision 0)
+++ pkg/unittest/test/unittest_test_returning_future_test.dart	(revision 0)
@@ -0,0 +1,62 @@
+// Copyright (c) 2013, 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.
+
+library unittestTest;
+import 'dart:isolate';
+import 'dart:async';
+import 'package:unittest/unittest.dart';
+
+part 'unittest_test_utils.dart';
+
+var testName = 'test returning future';
+
+var testFunction = (_) {
+  test("successful", () {
+    return _defer(() {
+      expect(true, true);
+    });
+  });
+  // We repeat the fail and error tests, because during development
+  // I had a situation where either worked fine on their own, and
+  // error/fail worked, but fail/error would time out.
+  test("error1", () {
+    var callback = expectAsync0((){});
+    var excesscallback = expectAsync0((){});
+    return _defer(() {
+      excesscallback();
+      excesscallback();
+      excesscallback();
+      callback();
+    });
+  });
+  test("fail1", () {
+    return _defer(() {
+      expect(true, false);
+    });
+  });
+  test("error2", () {
+    var callback = expectAsync0((){});
+    var excesscallback = expectAsync0((){});
+    return _defer(() {
+      excesscallback();
+      excesscallback();
+      callback();
+    });
+  });
+  test("fail2", () {
+    return _defer(() {
+      fail('failure');
+    });
+  });
+  test('foo5', () {
+  });
+};
+
+var expected = buildStatusString(2, 4, 0,
+    'successful::'
+    'error1:Callback called more times than expected (1).:'
+    'fail1:Expected: <false> Actual: <true>:'
+    'error2:Callback called more times than expected (1).:'
+    'fail2:failure:'
+    'foo5');