Use scheduled_test for Pub tests.

utils/tests/pub/sdk_constraint_test.dart

 // Copyright (c) 2012, 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 check_sdk_test;
 
+import '../../../pkg/scheduled_test/lib/scheduled_test.dart';
+
+import 'descriptor.dart' as d;
 import "test_pub.dart";
-import "../../../pkg/unittest/lib/unittest.dart";
 
 main() {
   initConfig();
 
   for (var command in ["install", "update"]) {
     var success = new RegExp(r"Dependencies installed!$");
     if (command == "update") {
       success = new RegExp(r"Dependencies updated!$");
     }
 
     integration("gives a friendly message if there are no constraints", () {
-      dir(appPath, [
-        pubspec({"name": "myapp"}),
-      ]).scheduleCreate();
+      d.dir(appPath, [
+        d.pubspec({"name": "myapp"}),
+      ]).create();
 
       schedulePub(args: [command], output: success);
     });
 
     integration("gives an error if the root package does not match", () {
-      dir(appPath, [
-        pubspec({
+      d.dir(appPath, [
+        d.pubspec({
           "name": "myapp",
           "environment": {"sdk": ">2.0.0"}
         })
-      ]).scheduleCreate();
+      ]).create();
 
       schedulePub(args: [command],
           error:
             """
             Some packages that were installed are not compatible with your SDK version 0.1.2+3 and may not work:
             - 'myapp' requires >2.0.0
 
             You may be able to resolve this by upgrading to the latest Dart SDK
             or adding a version constraint to use an older version of a package.
             """);
     });
 
     integration("gives an error if some dependencies do not match", () {
       // Using a path source, but this should be true of all sources.
-      dir("foo", [
-        libPubspec("foo", "0.0.1", sdk: ">0.1.3"),
-        libDir("foo")
-      ]).scheduleCreate();
-      dir("bar", [
-        libPubspec("bar", "0.0.1", sdk: ">0.1.1"),
-        libDir("bar")
-      ]).scheduleCreate();
+      d.dir("foo", [
+        d.libPubspec("foo", "0.0.1", sdk: ">0.1.3"),
+        d.libDir("foo")
+      ]).create();
+      d.dir("bar", [
+        d.libPubspec("bar", "0.0.1", sdk: ">0.1.1"),
+        d.libDir("bar")
+      ]).create();
 
-      dir(appPath, [
-        pubspec({
+      d.dir(appPath, [
+        d.pubspec({
           "name": "myapp",
           "dependencies": {
             "foo": {"path": "../foo"},
             "bar": {"path": "../bar"}
           },
           "environment": {"sdk": ">2.0.0"}
         })
-      ]).scheduleCreate();
+      ]).create();
 
       schedulePub(args: [command],
           error:
             """
             Some packages that were installed are not compatible with your SDK version 0.1.2+3 and may not work:
             - 'myapp' requires >2.0.0
             - 'foo' requires >0.1.3
 
             You may be able to resolve this by upgrading to the latest Dart SDK
             or adding a version constraint to use an older version of a package.
             """);
     });
 
     integration("gives an error if a transitive dependency doesn't match", () {
       // Using a path source, but this should be true of all sources.
-      dir("foo", [
-        libPubspec("foo", "0.0.1", deps: [
+      d.dir("foo", [
+        d.libPubspec("foo", "0.0.1", deps: [
           {"path": "../bar"}
         ]),
-        libDir("foo")
-      ]).scheduleCreate();
-      dir("bar", [
-        libPubspec("bar", "0.0.1", sdk: "<0.1.1"),
-        libDir("bar")
-      ]).scheduleCreate();
+        d.libDir("foo")
+      ]).create();
+      d.dir("bar", [
+        d.libPubspec("bar", "0.0.1", sdk: "<0.1.1"),
+        d.libDir("bar")
+      ]).create();
 
-      dir(appPath, [
-        pubspec({
+      d.dir(appPath, [
+        d.pubspec({
           "name": "myapp",
           "dependencies": {
             "foo": {"path": "../foo"}
           }
         })
-      ]).scheduleCreate();
+      ]).create();
 
       schedulePub(args: [command],
           error:
             """
             Some packages that were installed are not compatible with your SDK version 0.1.2+3 and may not work:
             - 'bar' requires <0.1.1
 
             You may be able to resolve this by upgrading to the latest Dart SDK
             or adding a version constraint to use an older version of a package.
             """);
     });
 
     integration("handles a circular dependency on the root package", () {
       // Using a path source, but this should be true of all sources.
-      dir("foo", [
-        libPubspec("foo", "0.0.1", sdk: ">3.0.0", deps: [
+      d.dir("foo", [
+        d.libPubspec("foo", "0.0.1", sdk: ">3.0.0", deps: [
           {"path": "../myapp"}
         ]),
-        libDir("foo")
-      ]).scheduleCreate();
+        d.libDir("foo")
+      ]).create();
 
-      dir(appPath, [
-        pubspec({
+      d.dir(appPath, [
+        d.pubspec({
           "name": "myapp",
           "dependencies": {
             "foo": {"path": "../foo"}
           },
           "environment": {"sdk": ">2.0.0"}
         })
-      ]).scheduleCreate();
+      ]).create();
 
       schedulePub(args: [command],
           error:
             """
             Some packages that were installed are not compatible with your SDK version 0.1.2+3 and may not work:
             - 'myapp' requires >2.0.0
             - 'foo' requires >3.0.0
 
             You may be able to resolve this by upgrading to the latest Dart SDK
             or adding a version constraint to use an older version of a package.
             """);
     });
   }
 }