assertEquals(-1, deployer1.getUndeployOrder());
assertEquals(-1, deployer2.getUndeployOrder());
assertEquals(-1, deployer3.getUndeployOrder());
assertEquals(-1, deployer4.getUndeployOrder());
main.removeDeployment(deployment);
main.process();
assertEquals(1, deployer1.getDeployOrder());
assertEquals(2, deployer2.getDeployOrder());
assertEquals(3, deployer3.getDeployOrder());