@SuppressWarnings("MethodMayBeStatic") // Non-static to allow DI/mocking
  public QueryContext.Stacker buildNodeContext(final String context) {
    return new QueryContext.Stacker()
        .push(context);
  }
@Test
  public void shouldBuildNodeContext() {
    // When:
    final Stacker result = runtimeBuildContext.buildNodeContext("some-id");

    // Then:
    assertThat(result, is(new Stacker().push("some-id")));
  }