@Test public void testSaveGetAndDeleteDocument() { Levels levels = new Levels(); Level level = new Level(1, "furkan"); levels.getLevelList().add(level); boolean addResult = this.persistency.save(levels); assertTrue(addResult); Levels obtainedLevels = this.persistency.get(Key.Levels.toString(), Levels.class); assertNotNull(obtainedLevels); assertEquals(1, obtainedLevels.getLevelList().size()); assertEquals("furkan", obtainedLevels.getLevelList().get(0).getName()); boolean deleteResult = this.persistency.delete(Key.Levels.toString()); assertTrue(deleteResult); }