anchor.diff:    }
   
     test_const_reference_type_imported() async {
  -    addLibrarySource('/a.dart', r'''
  +    addLibrarySource('$testPackageLibPath/a.dart', r'''
   class C {}
   enum E {a, b, c}
   typedef F(int a, String b);
  
positive.code:   }
  
    test_inferred_type_nullability_function_type_none() async {
      addSource('/a.dart', 'void Function() f() => () {};');
      var library = await checkLibrary('''
  import 'a.dart';
  var x = f();
  
negative.code:   }
  
    test_const_length_ofClassConstField_imported_withPrefix() async {
      addLibrarySource('$testPackageLibPath/a.dart', r'''
  class C {
    static const String F = '';
  }
  