Migration of testing scripts in tools/ to libv2

tools/test.dart

Index: tools/test.dart
diff --git a/tools/test.dart b/tools/test.dart
index 8d7388c0a2e29a4b6d4e39133614263e7575d189..77e4158f88d5f3979a3cf7dcd58b7dcf55a6cd48 100755
--- a/tools/test.dart
+++ b/tools/test.dart
@@ -96,19 +96,19 @@ main() {
     List output_words = configurations.length > 1 ?
         ['Test configurations:'] : ['Test configuration:'];
     for (Map conf in configurations) {
-      List settings =
-          ['compiler', 'runtime', 'mode', 'arch'].map((name) => conf[name]);
+      List settings = ['compiler', 'runtime', 'mode', 'arch']
+          .mappedBy((name) => conf[name]).toList();
       if (conf['checked']) settings.add('checked');
       output_words.add(Strings.join(settings, '_'));
     }
     print(Strings.join(output_words, ' '));
   }
 
-  var configurationIterator = configurations.iterator();
+  var configurationIterator = configurations.iterator;
   void enqueueConfiguration(ProcessQueue queue) {
-    if (!configurationIterator.hasNext) return;
+    if (!configurationIterator.moveNext()) return;
 
-    var conf = configurationIterator.next();
+    var conf = configurationIterator.current;
     for (String key in selectors.keys) {
       if (key == 'co19') {
         queue.addTestSuite(new Co19TestSuite(conf));
@@ -136,7 +136,7 @@ main() {
   // test that needs to load resources from the repo over http.
   if (!listTests) {
     // Only start the server if we are running browser tests.
-    var runningBrowserTests = configurations.some((config) {
+    var runningBrowserTests = configurations.any((config) {
       return TestUtils.isBrowserRuntime(config['runtime']);
     });
     if (runningBrowserTests) startHttpServer('127.0.0.1', 9876);