// Contributions By Racks are
    // Rack1   175       
    // Rack2   275       
    // Rack3   150       
    // So, Rack2 hosts, host4 and host 3 should be returned
    // even if their individual contribution is not the highest
// Contributions By Racks are
    // Rack1   175       
    // Rack2   275       
    // Rack3   150       
    // So, Rack2 hosts, host4 and host 3 should be returned
    // even if their individual contribution is not the highest | TestGetSplitHosts.java