three update to r84:
three update to r84:

API changes to test_unit_math 
YousefED/DefinitelyTyped,abbasmhd/DefinitelyTyped,nycdotnet/DefinitelyTyped,AgentME/DefinitelyTyped,dsebastien/DefinitelyTyped,arusakov/DefinitelyTyped,smrq/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,GiedriusGrabauskas/DefinitelyTyped,mcrawshaw/DefinitelyTyped,mcrawshaw/DefinitelyTyped,mcliment/DefinitelyTyped,rolandzwaga/DefinitelyTyped,jimthedev/DefinitelyTyped,alexdresko/DefinitelyTyped,isman-usoh/DefinitelyTyped,QuatroCode/DefinitelyTyped,georgemarshall/DefinitelyTyped,isman-usoh/DefinitelyTyped,zuzusik/DefinitelyTyped,benishouga/DefinitelyTyped,benishouga/DefinitelyTyped,borisyankov/DefinitelyTyped,AgentME/DefinitelyTyped,zuzusik/DefinitelyTyped,alexdresko/DefinitelyTyped,johan-gorter/DefinitelyTyped,aciccarello/DefinitelyTyped,rolandzwaga/DefinitelyTyped,smrq/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,benishouga/DefinitelyTyped,georgemarshall/DefinitelyTyped,markogresak/DefinitelyTyped,YousefED/DefinitelyTyped,dsebastien/DefinitelyTyped,magny/DefinitelyTyped,minodisk/DefinitelyTyped,benliddicott/DefinitelyTyped,nycdotnet/DefinitelyTyped,arusakov/DefinitelyTyped,magny/DefinitelyTyped,QuatroCode/DefinitelyTyped,jimthedev/DefinitelyTyped,abbasmhd/DefinitelyTyped,johan-gorter/DefinitelyTyped,ashwinr/DefinitelyTyped,arusakov/DefinitelyTyped,aciccarello/DefinitelyTyped,one-pieces/DefinitelyTyped,georgemarshall/DefinitelyTyped,AgentME/DefinitelyTyped,zuzusik/DefinitelyTyped,chrootsu/DefinitelyTyped,chrootsu/DefinitelyTyped,borisyankov/DefinitelyTyped,laurentiustamate94/DefinitelyTyped,AgentME/DefinitelyTyped,ashwinr/DefinitelyTyped,AbraaoAlves/DefinitelyTyped,minodisk/DefinitelyTyped,jimthedev/DefinitelyTyped,aciccarello/DefinitelyTyped,amir-arad/DefinitelyTyped,georgemarshall/DefinitelyTyped