@Test
public void testGetInstanceGroupConfigWhenBidPriceIsNull()
{

    // Call the method under test.
    InstanceGroupConfig result = emrDaoImpl
        .getInstanceGroupConfig(InstanceRoleType.MASTER, EC2_INSTANCE_TYPE, INSTANCE_COUNT, NO_BID_PRICE, NO_EMR_CLUSTER_DEFINITION_EBS_CONFIGURATION);
    // Verify the external calls.
    verifyNoMoreInteractionsHelper();
    // Validate the results.
    assertEquals(new InstanceGroupConfig(InstanceRoleType.MASTER, EC2_INSTANCE_TYPE, INSTANCE_COUNT), result);
}