anchor.diff:      });
     }
   
  -  test_InterpolationExpression_prefix_target() {
  -    // SimpleIdentifier  PrefixedIdentifier  InterpolationExpression
  -    addTestSource('main() {String name; print("hello \${nam^e.length}");}');
  -    computeFast();
  -    return computeFull(true).then((_) {
  -      assertSuggestLocalVariable('name', 'String');
  -      assertSuggestImportedClass('Object');
  -      assertNotSuggested('length');
  -    });
  -  }
  +//  test_InterpolationExpression_prefix_target() {
  +//    // SimpleIdentifier  PrefixedIdentifier  InterpolationExpression
  +//    addTestSource('main() {String name; print("hello \${nam^e.length}");}');
  +//    computeFast();
  +//    return computeFull(true).then((_) {
  +//      assertSuggestLocalVariable('name', 'String');
  +//      assertSuggestImportedClass('Object');
  +//      assertNotSuggested('length');
  +//    });
  +//  }
   
     test_IsExpression() {
       // SimpleIdentifier  TypeName  IsExpression  IfStatement
  
positive.code:       assertNoSuggestions();
      });
    }
  }
  
negative.code:     });
    }
  
  //  test_InterpolationExpression() {
  //    // SimpleIdentifier  InterpolationExpression  StringInterpolation
  //    addTestSource('main() {String name; print("hello \$^");}');
  //    computeFast();
  //    return computeFull(true).then((_) {
  //      assertSuggestLocalVariable('name', 'String');
  //      assertSuggestImportedClass('Object');
  //    });
  //  }
  
  //  test_InterpolationExpression_block() {
  //    // SimpleIdentifier  InterpolationExpression  StringInterpolation
  //    addTestSource('main() {String name; print("hello \${n^}");}');
  //    computeFast();
  //    return computeFull(true).then((_) {
  //      assertSuggestLocalVariable('name', 'String');
  //      assertSuggestImportedClass('Object');
  //    });
  //  }
  
    test_InterpolationExpression_prefix_selector() {
      // SimpleIdentifier  PrefixedIdentifier  InterpolationExpression
  