code: func getExpectedVolumes(pod *v1.Pod) []string {
  	expectedVolumes := []string{}
  
  	for _, podVolume := range pod.Spec.Volumes {
  		expectedVolumes = append(expectedVolumes, podVolume.Name)
  	}
  
  	return expectedVolumes
  }
docs: // getExpectedVolumes returns a list of volumes that must be mounted in order to
  // consider the volume setup step for this pod satisfied.