anchor.diff:          F1() { }
           class X {X.c(); X._d(); z() {}}''');
       addTestSource('''
  -        import "/testB.dart";
  +        import "${convertPathForImport("/testB.dart")}";
           var m;
           main() {new X.^}''');
       // Assume that imported libraries are NOT resolved
  
positive.code:         F1() { }
          class X {factory X.c(); factory X._d(); z() {}}''');
      addTestSource('''
          import "/testB.dart";
          var m;
          main() {new X.^}''');
  
  
negative.code:         F1() { }
          class X {X.c(); X._d(); z() {}}''');
      addTestSource('''
          import "${convertPathForImport("/testB.dart")}";
          var m;
          main() {new X.^}''');
  
  