assertFalse(a.isRunning1());
assertFalse(a.isRunning2());
man1.start();
assertTrue(a.isRunning1());
assertFalse(a.isRunning2());
man2.start();
assertTrue(a.isRunning1());
assertTrue(a.isRunning2());
man1.stop();
assertFalse(a.isRunning1());
assertTrue(a.isRunning2());