| Index: tests/compiler/dart2js/concrete_type_inference_test.dart
 | 
| diff --git a/tests/compiler/dart2js/concrete_type_inference_test.dart b/tests/compiler/dart2js/concrete_type_inference_test.dart
 | 
| index de673f837735c351b4145890976fd022556a566a..81e25c3b9b0f35ee31b77a22ed4d8247da05ce7a 100644
 | 
| --- a/tests/compiler/dart2js/concrete_type_inference_test.dart
 | 
| +++ b/tests/compiler/dart2js/concrete_type_inference_test.dart
 | 
| @@ -71,8 +71,8 @@ void testBasicTypes() {
 | 
|      Expect.identical(compiler.commonMasks.nullType, type);
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|    });
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|    checkPrintType('"foo"', (compiler, type) {
 | 
| -    Expect.isTrue(
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| -        compiler.commonMasks.stringType.containsOnlyString(compiler.world));
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| +    Expect.isTrue(compiler.commonMasks
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| +        .stringType.containsOnlyString(compiler.closedWorld));
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|    });
 | 
|  }
 | 
|  
 | 
| 
 |