| Index: tests/compiler/dart2js/compiler_helper.dart | 
| diff --git a/tests/compiler/dart2js/compiler_helper.dart b/tests/compiler/dart2js/compiler_helper.dart | 
| index e365f3b82c048ffa093183f03768b756ad3dfad2..2c1684ef12e12756c0672fc0b4a557d7200b8341 100644 | 
| --- a/tests/compiler/dart2js/compiler_helper.dart | 
| +++ b/tests/compiler/dart2js/compiler_helper.dart | 
| @@ -179,7 +179,7 @@ Future compileAndCheck(String code, | 
|  | 
| Future compileSources(Map<String, String> sources, | 
| check(MockCompiler compiler)) { | 
| -  Uri base = new Uri(scheme: 'source'); | 
| +  Uri base = new Uri(scheme: 'source', path: '/'); | 
| Uri mainUri = base.resolve('main.dart'); | 
| String mainCode = sources['main.dart']; | 
| Expect.isNotNull(mainCode, 'No source code found for "main.dart"'); | 
|  |