Use the new test runner.

test/build/copies_browser_js_with_dependency_override_test.dart

Index: test/build/copies_browser_js_with_dependency_override_test.dart
diff --git a/test/build/copies_browser_js_with_dependency_override_test.dart b/test/build/copies_browser_js_with_dependency_override_test.dart
index 893eec35876a07f75ee73ad738a476dd83a5790d..285f464e34852ed701f211994a94be85b6fdbe03 100644
--- a/test/build/copies_browser_js_with_dependency_override_test.dart
+++ b/test/build/copies_browser_js_with_dependency_override_test.dart
@@ -11,14 +11,8 @@ import 'utils.dart';
 main() {
   // This is a regression test for http://dartbug.com/16617.
 
-  initConfig();
-
   integration("compiles dart.js and interop.js next to entrypoints when "
       "browser is a dependency_override", () {
-    // Dart2js can take a long time to compile dart code, so we increase the
-    // timeout to cope with that.
-    currentSchedule.timeout *= 3;
-
     serveBrowserPackage();
 
     d.dir(appPath, [