| Index: tests/corelib_strong/is_operator_basic_types_test.dart
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| diff --git a/tests/corelib_strong/is_operator_basic_types_test.dart b/tests/corelib_strong/is_operator_basic_types_test.dart
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| index 4c0aea93d97099a08f4c37dcdcfbf4c5f8032675..772afb2fb507317ea30c20bc0c590f5df953cb08 100644
 | 
| --- a/tests/corelib_strong/is_operator_basic_types_test.dart
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| +++ b/tests/corelib_strong/is_operator_basic_types_test.dart
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| @@ -17,11 +17,11 @@ check(args) {
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|    Expect.isFalse(list is Pattern);
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|    Expect.isFalse(list is String);
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|  
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| -  Expect.isFalse(list is !List);
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| -  Expect.isFalse(list is !Iterable);
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| -  Expect.isTrue(list is !Comparable);
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| -  Expect.isTrue(list is !Pattern);
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| -  Expect.isTrue(list is !String);
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| +  Expect.isFalse(list is! List);
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| +  Expect.isFalse(list is! Iterable);
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| +  Expect.isTrue(list is! Comparable);
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| +  Expect.isTrue(list is! Pattern);
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| +  Expect.isTrue(list is! String);
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|  
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|    Expect.isTrue(string is Object);
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|    Expect.isFalse(string is List);
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| @@ -30,11 +30,11 @@ check(args) {
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|    Expect.isTrue(string is Pattern);
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|    Expect.isTrue(string is String);
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|  
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| -  Expect.isTrue(string is !List);
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| -  Expect.isTrue(string is !Iterable);
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| -  Expect.isFalse(string is !Comparable);
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| -  Expect.isFalse(string is !Pattern);
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| -  Expect.isFalse(string is !String);
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| +  Expect.isTrue(string is! List);
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| +  Expect.isTrue(string is! Iterable);
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| +  Expect.isFalse(string is! Comparable);
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| +  Expect.isFalse(string is! Pattern);
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| +  Expect.isFalse(string is! String);
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|  
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|    Expect.isTrue(nullObject is Object);
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|    Expect.isFalse(nullObject is List);
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| @@ -43,11 +43,11 @@ check(args) {
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|    Expect.isFalse(nullObject is Pattern);
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|    Expect.isFalse(nullObject is String);
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|  
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| -  Expect.isTrue(nullObject is !List);
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| -  Expect.isTrue(nullObject is !Iterable);
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| -  Expect.isTrue(nullObject is !Comparable);
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| -  Expect.isTrue(nullObject is !Pattern);
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| -  Expect.isTrue(nullObject is !String);
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| +  Expect.isTrue(nullObject is! List);
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| +  Expect.isTrue(nullObject is! Iterable);
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| +  Expect.isTrue(nullObject is! Comparable);
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| +  Expect.isTrue(nullObject is! Pattern);
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| +  Expect.isTrue(nullObject is! String);
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|  }
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|  
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|  main() {
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| 
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