@Test
public void testCheckForWorkers() throws Exception {
assertTrue(
crs.checkForWorkers()); // you have two workers, the minimum is one, you should be okay
crs.removeLastWorker(); // remove a worker
assertTrue(crs.checkForWorkers()); // should still work
Person w = crs.removeLastWorker();
assertTrue(!crs.checkForWorkers()); // should still work
crs.addWorker(w);
assertTrue(crs.checkForWorkers()); // should still work
}
@Test
public void testWorkerSize() throws Exception {
assertEquals(crs.getNumberOfWorkers(), 2);
Person w = crs.removeLastWorker();
assertEquals(crs.getNumberOfWorkers(), 1);
crs.addWorker(w);
assertEquals(crs.getNumberOfWorkers(), 2);
}