folder.resolveFile("dir1").delete(Selectors.SELECT_ALL);
names.remove("dir1");
assertSameFileSet(names, folder.getChildren());
// Delete a child file
folder.resolveFile("file1.html").delete(Selectors.SELECT_ALL);
names.remove("file1.html");
assertSameFileSet(names, folder.getChildren());
// Recreate the folder
folder.delete(Selectors.SELECT_ALL);