@Test
public void testGetActiveEmrClusterByNameWhenClusterNameIsBlank()
{

    // Create an AWS parameters DTO.
    AwsParamsDto awsParamsDto =
        new AwsParamsDto(AWS_ASSUMED_ROLE_ACCESS_KEY, AWS_ASSUMED_ROLE_SECRET_KEY, AWS_ASSUMED_ROLE_SESSION_TOKEN, HTTP_PROXY_HOST, HTTP_PROXY_PORT,
            AWS_REGION_NAME_US_EAST_1);
    // Call the method under test.
    ClusterSummary result = emrDaoImpl.getActiveEmrClusterByNameAndAccountId(BLANK_TEXT, null, awsParamsDto);
    // Verify the external calls.
    verifyNoMoreInteractionsHelper();
    // Validate the results.
    assertNull(result);
}