Added RegressionTest6_ThreadWaiting_ regtest check (debug) for threads still running, and wait for them to finish (warn in logs but not strictly a bug)
Added RegressionTest6_ThreadWaiting_ regtest check (debug) for threads still running, and wait for them to finish (warn in logs but not strictly a bug)

SophistSolutions/Stroika,SophistSolutions/Stroika,SophistSolutions/Stroika,SophistSolutions/Stroika,SophistSolutions/Stroika