sessionMaryWS = (SessionImpl)repository.login(credentials, "ws");
sessionMaryWS1 = (SessionImpl)repository.login(credentials, "ws1");
// add node with only read permission for mary
NodeImpl node = (NodeImpl)sessionWS1.getRootNode().addNode("MARY-ReadOnly");
node.addMixin("exo:privilegeable");
node.addMixin("exo:owneable");
node.setPermission("mary", new String[]{PermissionType.READ});
node.setPermission("admin", PermissionType.ALL);
node.removePermission(SystemIdentity.ANY);
node.addNode("test");