@Test
public void testRaceConditionInLazyInit() {

	LazyInitRace lazy = new LazyInitRace();
	Thread th_1 = new Thread(() -> {
		exObject_1 = lazy.getInstance();
	});
	Thread th_2 = new Thread(() -> {
		exObject_2 = lazy.getInstance();
	});
	th_1.start();
	th_2.start();
	try {
		th_1.join();
		th_2.join();
	}
	catch (InterruptedException e) {
		e.printStackTrace();
	}
	assertEquals(exObject_1, exObject_2);
}