anchor.diff:          "root/path",
           "root/path/to/one",
           "root/path/to/two",
  -      ]));
  +      ].map(p.normalize)));
       });
   
       test("doesn't return paths removed from the set", () {
  
positive.code:         "root/path/to/one",
          "root/path/to/two",
          "root/path/to/sub/three"
        ]));
  
        expect(set, containsPath("root/outside"));
        expect(set, isNot(containsPath("root/path/to/one")));
  
negative.code:       set.add("root/path/to/two");
        set.remove("root/path/to/two");
  
        expect(set.toSet(), unorderedEquals([p.normalizze("root/path/to/one")]));
      });
    });
  
  