Small bugfix in test_suite.dart

tools/testing/dart/test_suite.dart

Index: tools/testing/dart/test_suite.dart
diff --git a/tools/testing/dart/test_suite.dart b/tools/testing/dart/test_suite.dart
index 96299ae2c4c79e8654738c9b67b2a981cfe96f74..790a96f18692306f954e33c86bb0088f143c1be5 100644
--- a/tools/testing/dart/test_suite.dart
+++ b/tools/testing/dart/test_suite.dart
@@ -971,8 +971,12 @@ class StandardTestSuite extends TestSuite {
             htmlPath.substring(basePath.length) : htmlPath;
         String fullHtmlPath = htmlPath;
         if (!htmlPath.startsWith('http')) {
-          fullHtmlPath = 'http://127.0.0.1:${serverList[0].port}$htmlPath?'
-              'crossOriginPort=${serverList[1].port}';
+          // Note: If we run test.py with the "--list" option, no http servers
+          // will be started. Therefore we need the following condition.
+          if (serverList.length >= 2) {

[ricow1, 2013/01/23 14:40:32]

why not just check if we passed the list flag?

+            fullHtmlPath = 'http://127.0.0.1:${serverList[0].port}$htmlPath?'
+                'crossOriginPort=${serverList[1].port}';
+          }
         }
         if (info.optionsFromFile['isMultiHtmlTest']
             && subtestNames.length > 0) {