curtainBeforeHook.hook(null);
        } catch (Exception e) {
            fail("Should not throw exception with null AssistantDirector");
        }
    }

    @Test
    public void test_multipleHookCalls_maintainsSameTimeZone() {
        // Given
        FwAssistantDirector assistantDirector = null;

        // When
        curtainBeforeHook.hook(assistantDirector);