@Test
	public void testRemoveSeveralEntries() {
		ArrayList<String> collection = new ArrayList<String>();
		collection.add("4f902f731f1de9b61750db40");
		collection.add("4f902f751f1d5b83f6e927f4");
		//Suppression de quelques enregistrements
		Assert.assertEquals(true,delete.removeSeveralEntries(db,"elements",collection));
		collection.clear();
	}