Make VersionSolver actually return PackageIds.

utils/tests/pub/version_solver_test.dart

Index: utils/tests/pub/version_solver_test.dart
diff --git a/utils/tests/pub/version_solver_test.dart b/utils/tests/pub/version_solver_test.dart
index e87ffb0ffd882b75b2f5331e42be92e01a3f5db3..cfe5c08b0374e371611635d1a0da842d40bec1e1 100644
--- a/utils/tests/pub/version_solver_test.dart
+++ b/utils/tests/pub/version_solver_test.dart
@@ -270,7 +270,14 @@ testResolve(description, packages, [result, error]) {
     var future = resolveVersions(sources, root);
 
     if (result != null) {
-      expect(future, completion(equals(result)));
+      expect(future, completion(predicate((actualResult) {
+        for (var id in actualResult) {
+          if (!result.containsKey(id.description)) return false;
+          if (id.version != result.remove(id.description)) return false;
+        }
+        if (!result.isEmpty()) return false;
+        return true;

[Bob Nystrom, 2012/07/11 22:51:02]

return result.isEmpty();

[nweiz, 2012/07/11 22:55:40]

Done.

+      }, description: 'packages to match $result')));
     } else if (error == noVersion) {
       expect(future, throwsA(new isInstanceOf<NoVersionException>()));
     } else if (error == disjointConstraint) {