@Test
public void testGetVolumeSpecificationWhenInputParameterIsNull()
{

    // Call the method under test.
    VolumeSpecification result = emrDaoImpl.getVolumeSpecification(NO_EMR_CLUSTER_DEFINITION_VOLUME_SPECIFICATION);
    // Verify the external calls.
    verifyNoMoreInteractionsHelper();
    // Validate the results.
    assertNull(result);
}