https://stroika.atlassian.net/browse/STK-535 - re-enable new regtests that had been failing under valgrind/helgrind (to test)
https://stroika.atlassian.net/browse/STK-535 - re-enable new regtests that had been failing under valgrind/helgrind (to test)

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