@Test
public void checkGetKeyForKeyStorage()
        throws InvalidArgumentException {

    IContainer container = new Container();
    assertNotNull(container.getKeyForKeyStorage());
    assertNotNull(container.getKeyForKeyStorage().toString());
    IContainer container1 = new Container();
    assertNotEquals(container.getKeyForKeyStorage(), container1.getKeyForKeyStorage());
    assertNotEquals(container.getKeyForKeyStorage().toString(), container1.getKeyForKeyStorage().toString());
}