How to use the bpmn-js-properties-panel/lib/helper/EventDefinitionHelper.getTimerEventDefinition function in bpmn-js-properties-panel

beforeEach(inject(function(elementRegistry, selection) {

      // given
      const shape = elementRegistry.get('TimerEvent_1');
      selection.select(shape);

      const bo = getBusinessObject(shape);
      const timerDefinition = eventDefinitionHelper.getTimerEventDefinition(bo);
      timeDuration = timerDefinition.timeDuration;

      input = getInputField(container, 'camunda-timer-event-duration', 'timerDefinition');

      // when
      triggerValue(input, 'foo', 'change');

    }));

beforeEach(inject(function(elementRegistry, selection) {

        // given
        const shape = elementRegistry.get('TIME_DURATION');
        selection.select(shape);

        const bo = getBusinessObject(shape);
        const timerDefinition = eventDefinitionHelper.getTimerEventDefinition(bo);
        timeDuration = timerDefinition.timeDuration;

        input = getTimerDefinitionField(container);

        // when
        triggerValue(input, 'foo', 'change');
      }));

beforeEach(inject(function(elementRegistry, selection) {

        // when
        const shape = elementRegistry.get('WITHOUT_TYPE');
        selection.select(shape);

        const bo = getBusinessObject(shape);
        timerDefinition = eventDefinitionHelper.getTimerEventDefinition(bo);
      }));

beforeEach(inject(function(elementRegistry, selection) {

        // when
        const shape = elementRegistry.get('TIME_DATE');
        selection.select(shape);

        const bo = getBusinessObject(shape);
        timerDefinition = eventDefinitionHelper.getTimerEventDefinition(bo);
      }));

beforeEach(inject(function(elementRegistry, selection) {

        // given
        const shape = elementRegistry.get('TIME_DATE');
        selection.select(shape);

        const bo = getBusinessObject(shape);
        const timerDefinition = eventDefinitionHelper.getTimerEventDefinition(bo);
        timeDate = timerDefinition.timeDate;

        input = getTimerDefinitionField(container);

        // when
        triggerValue(input, 'foo', 'change');
      }));

beforeEach(inject(function(elementRegistry, selection) {

        // given
        const shape = elementRegistry.get('TIME_CYCLE');
        selection.select(shape);

        const bo = getBusinessObject(shape);
        const timerDefinition = eventDefinitionHelper.getTimerEventDefinition(bo);
        timeCycle = timerDefinition.timeCycle;

        input = getTimerDefinitionField(container);

        // when
        triggerValue(input, 'foo', 'change');
      }));

beforeEach(inject(function(elementRegistry, selection) {

        // given
        const shape = elementRegistry.get('TIME_CYCLE');
        selection.select(shape);

        const bo = getBusinessObject(shape);
        const timerDefinition = eventDefinitionHelper.getTimerEventDefinition(bo);
        timeCycle = timerDefinition.timeCycle;

        input = getTimerDefinitionField(container);

        // when
        triggerValue(input, 'foo', 'change');
      }));

export default function(group, element, bpmnFactory) {

  const timerEventDefinition = eventDefinitionHelper.getTimerEventDefinition(element);

  const timerOptions = getTimerOptions(element);

  if (!timerEventDefinition) {
    return;
  }

  if (!timerOptions.length) {
    return timerDurationDefinitionImpl(group, bpmnFactory, timerEventDefinition);
  }

  timerEventDefinitionImpl(group, bpmnFactory, timerEventDefinition, timerOptions);
}