@Test
@SuppressWarnings("unchecked")
public void resolve_list_spel_variable() throws Exception {

    Object listVariable = resolver.resolve("list_spel_variable", Object.class);
    assertThat(listVariable).isInstanceOf(List.class);
    assertThat((List<String>) listVariable).containsExactly("item true", "item false", "item 3");
}