Fix some tests.

tests/standalone/io/windows_environment_test.dart

Index: tests/standalone/io/windows_environment_test.dart
diff --git a/tests/standalone/io/windows_environment_test.dart b/tests/standalone/io/windows_environment_test.dart
index 4ccc380aaf824ab26346cf4f95245e1b87e10709..640b00bf66593db52855736e836b718b9f711a83 100644
--- a/tests/standalone/io/windows_environment_test.dart
+++ b/tests/standalone/io/windows_environment_test.dart
@@ -2,7 +2,6 @@
 // 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.
 
-import "package:expect/expect.dart";

[ngeoffray, 2013/04/10 09:49:44]

Why this change?

[floitsch, 2013/04/10 10:46:10]

This test runs itself (I think) as a separate process.
Didn't want to play with package-paths when launching the test.

 import "dart:io";
 
 main() {
@@ -22,7 +21,7 @@ set SCRIPTDIR=%~dp0
   var script = scriptDir.append('windows_environment_script.dart');
   Process.run('cmd',
               ['/c', funkyFile.path, dart, script.toNativePath()]).then((p) {
-    Expect.equals(0, p.exitCode);
+    if (0 != p.exitCode) throw "Exit code not 0";
     tempDir.deleteSync(recursive: true);
   });
 }