anchor.diff:        gitDir = items.item2;
   
         // remove me
  -      print('git dir at ${gitDir.path}');
  +      //logMessage('git dir at ${gitDir.path}');
   
         // verify the new _gitDir has no branches
         return gitDir.getBranches();
  
positive.code:       expect(td, isNotNull);
        tempContent = td;
  
        print('temp dir for content: $td');
        final populater = new MapDirectoryPopulater(_initialContentMap);
        return tempContent.populate(populater);
      }).chain((TempDir dir) {
  
negative.code:       // TODO: test for failure when adding a file that doesn't exist
        // TODO: test for failure w/ a dir?
  
        tempGitDir.dispose();
        tempContent.dispose();
  
      });
  
    expectFutureComplete(future);
  