Migration of testing scripts in tools/ to libv2

tools/testing/dart/test_options.dart

Index: tools/testing/dart/test_options.dart
diff --git a/tools/testing/dart/test_options.dart b/tools/testing/dart/test_options.dart
index 8f9232b4b66810dfe323bd2f417d42b2d7c504e2..fa2edd53c1c5fbcfe9261cad43ffafa5ed770837 100644
--- a/tools/testing/dart/test_options.dart
+++ b/tools/testing/dart/test_options.dart
@@ -368,7 +368,7 @@ Note: currently only implemented for dart2js.''',
         configuration[spec.name] = true;
       } else if (spec.type == 'int') {
         try {
-          configuration[spec.name] = parseInt(value);
+          configuration[spec.name] = int.parse(value);
         } catch (e) {
           print('Integer value expected for int option $name');
           exit(1);
@@ -395,7 +395,7 @@ Note: currently only implemented for dart2js.''',
     }
 
     List<Map> expandedConfigs = _expandConfigurations(configuration);
-    List<Map> result = expandedConfigs.filter(_isValidConfig);
+    List<Map> result = expandedConfigs.where(_isValidConfig).toList();
     return result.isEmpty ? null : result;
   }
 
@@ -665,7 +665,7 @@ Note: currently only implemented for dart2js.''',
    */
   _TestOptionSpecification _getSpecification(String name) {
     for (var option in _options) {
-      if (option.keys.some((key) => key == name)) {
+      if (option.keys.any((key) => key == name)) {
         return option;
       }
     }