@Test
	public void testRemoveLastOccurrence() {
		strings.add("Four");
		strings.add("Three");
		assertEquals("testing RemoveLastOccurrence",true, strings.removeLastOccurrence("Three"));
		assertEquals("testing RemoveLastOccurrence",false, strings.removeLastOccurrence("Five"));
		String[] expected = {"One", "Two", "Three","Four"};
		assertArrayEquals("Testing removeLastOccurrence result",expected, strings.toArray());
	}