@Test
public void testGetEbsBlockDeviceConfigs()
{

    // Call the method under test.
    List<EbsBlockDeviceConfig> result = emrDaoImpl.getEbsBlockDeviceConfigs(Collections.singletonList(
        new EmrClusterDefinitionEbsBlockDeviceConfig(new EmrClusterDefinitionVolumeSpecification(VOLUME_TYPE, IOPS, SIZE_IN_GB), VOLUMES_PER_INSTANCE)));
    // Verify the external calls.
    verifyNoMoreInteractionsHelper();
    // Validate the results.
    assertEquals(Collections.singletonList(
        new EbsBlockDeviceConfig().withVolumeSpecification(new VolumeSpecification().withVolumeType(VOLUME_TYPE).withIops(IOPS).withSizeInGB(SIZE_IN_GB))
            .withVolumesPerInstance(VOLUMES_PER_INSTANCE)), result);
}