test.dart: Add timeout for browsers that are started but do not fetch tests.

tools/testing/dart/scrub_status_file.dart

Index: tools/testing/dart/scrub_status_file.dart
diff --git a/tools/testing/dart/scrub_status_file.dart b/tools/testing/dart/scrub_status_file.dart
index 4aced43be2e85894427a9e1fe98214d38ca718b5..2b28deba8767f3c141d2bc3f4c4e8b40bcf2dcf1 100644
--- a/tools/testing/dart/scrub_status_file.dart
+++ b/tools/testing/dart/scrub_status_file.dart
@@ -14,6 +14,7 @@
 import 'dart:io';
 
 import 'status_file_parser.dart';
+import 'utils.dart';
 
 const List<String> CO19_STATUS_FILES = const <String>[
     'tests/co19/co19-compiler.status',
@@ -37,7 +38,7 @@ void onSectionsRead(String statusFile, List sections) {
 
 void readStatusFile(String path) {
   var sections = [];
-  ReadConfigurationInto(path,
+  ReadConfigurationInto(new Path(path),
                         sections,
                         () => onSectionsRead(path, sections));
 }