root.commit();
ContentSession testSession = createTestSession();
try {
Root r = testSession.getLatestRoot();
Root immutableRoot = new ImmutableRoot(r, TreeTypeProvider.EMPTY);
PermissionProvider pp = createPermissionProvider(testSession) ;
assertTrue(r.getTree("/").exists());
TreePermission tp = pp.getTreePermission(immutableRoot.getTree("/"), TreePermission.EMPTY);
assertSame(TreePermission.ALL, tp);
for (String path : READ_PATHS) {
Tree tree = r.getTree(path);
assertTrue(tree.exists());