| Index: tests/compiler/dart2js/field_type_simple_inferer_test.dart
 | 
| diff --git a/tests/compiler/dart2js/field_type_simple_inferer_test.dart b/tests/compiler/dart2js/field_type_simple_inferer_test.dart
 | 
| index ad287786a35f5080b320e5d8f1eac59be8b0ef80..ad3fb2d1ba88c12b7f2c0a817aa5129b5981754c 100644
 | 
| --- a/tests/compiler/dart2js/field_type_simple_inferer_test.dart
 | 
| +++ b/tests/compiler/dart2js/field_type_simple_inferer_test.dart
 | 
| @@ -533,7 +533,7 @@ void test() {
 | 
|                              ClassElement cls =
 | 
|                                  types.compiler.backend.helpers.jsIndexableClass;
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|                              return new TypeMask.nonNullSubtype(cls,
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| -                                types.compiler.world);
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| +                                types.compiler.closedWorld);
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|                           }});
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|    runTest(TEST_16, {'f': subclassOfInterceptor});
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|    runTest(TEST_17, {'f': (types) => types.uint31Type.nullable()});
 | 
| 
 |