• GH-2100, GH-2097: Onboarding test 2 (#603)

    * Implement A/B test for hub with modified tabs
    
    * Remove promo variant test, repurpose ping param
    
    * Make comments and ternaries more clear
    
    * Change param for A/B test
    
    Co-authored-by: wlycdgr <ilya.zarembsky@gmail.com>
    leuryr and wlycdgr committed Sep 22, 2020