- Add support for passing data: based URIs as packageConfig to

tests/isolate/scenarios/package_data_uri_spec/package_resolve_test.dart

Index: tests/isolate/scenarios/package_data_uri_spec/package_resolve_test.dart
diff --git a/tests/isolate/scenarios/automatic_resolution_spec/package_resolve_test.dart b/tests/isolate/scenarios/package_data_uri_spec/package_resolve_test.dart
similarity index 86%
copy from tests/isolate/scenarios/automatic_resolution_spec/package_resolve_test.dart
copy to tests/isolate/scenarios/package_data_uri_spec/package_resolve_test.dart
index 67b4d1e3f000ac1029029a446a437f9a5b553dad..8884d4eb30f6fd8b87264223848933afeb047af4 100644
--- a/tests/isolate/scenarios/automatic_resolution_spec/package_resolve_test.dart
+++ b/tests/isolate/scenarios/package_data_uri_spec/package_resolve_test.dart
@@ -8,26 +8,32 @@ import 'dart:isolate';
 final PACKAGE_URI = "package:foo/bar.dart";
 final PACKAGE_PATH = "file:///no/such/directory/bar.dart";
 
+final PACKAGE_SPEC = """
+# This is the content of a .packages file.
+foo:file:///no/such/directory/
+""";
+
+
 main([args, port]) async {
   if (port != null) {
     testPackageResolution(port);
     return;
   }
+  var data = new Uri.dataFromString(PACKAGE_SPEC);
   var p = new RawReceivePort();
   Isolate.spawnUri(Platform.script,
                    [],
                    p.sendPort,
-                   automaticPackageResolution: true);
+                   packageConfig: data);
   p.handler = (msg) {
     p.close();
     if (msg is! List) {
       print(msg.runtimeType);
       throw "Failure return from spawned isolate:\n\n$msg";
     }
-    var child_pkg_config = Platform.script.resolve(".packages");
-    if (msg[0] != child_pkg_config.toString()) {
+    if (msg[0] != data.toString()) {
       throw "Bad package config in child isolate: ${msg[0]}\n"
-            "Expected: $child_pkg_config";
+            "Expected: $data";
     }
     if (msg[1] != PACKAGE_PATH) {
       throw "Package path not matching: ${msg[1]}";