Revert "Daily build: Run tests on different JDKs in parallel", because it does not work.
Revert "Daily build: Run tests on different JDKs in parallel", because it does not work.

This reverts commits 1c26b28145553e8db45f5b5412903d16ef1f6948 and a19fc60ebffb93684d7161a0702cc17d9aaa73f6.

tadayosi/camel,gnodet/camel,sverkera/camel,CodeSmell/camel,pax95/camel,onders86/camel,anoordover/camel,pmoerenhout/camel,tadayosi/camel,dmvolod/camel,gnodet/camel,cunningt/camel,anoordover/camel,kevinearls/camel,mcollovati/camel,adessaigne/camel,mcollovati/camel,jamesnetherton/camel,mcollovati/camel,akhettar/camel,pmoerenhout/camel,dmvolod/camel,jamesnetherton/camel,zregvart/camel,pmoerenhout/camel,sverkera/camel,sverkera/camel,adessaigne/camel,kevinearls/camel,alvinkwekel/camel,christophd/camel,zregvart/camel,cunningt/camel,Fabryprog/camel,CodeSmell/camel,jamesnetherton/camel,sverkera/camel,alvinkwekel/camel,pax95/camel,nikhilvibhav/camel,anoordover/camel,DariusX/camel,akhettar/camel,apache/camel,christophd/camel,pax95/camel,apache/camel,pax95/camel,onders86/camel,tadayosi/camel,pmoerenhout/camel,jamesnetherton/camel,nikhilvibhav/camel,akhettar/camel,tadayosi/camel,DariusX/camel,gnodet/camel,davidkarlsen/camel,CodeSmell/camel,adessaigne/camel,objectiser/camel,nicolaferraro/camel,tadayosi/camel,DariusX/camel,nicolaferraro/camel,pmoerenhout/camel,kevinearls/camel,davidkarlsen/camel,sverkera/camel,tdiesler/camel,onders86/camel,alvinkwekel/camel,Fabryprog/camel,dmvolod/camel,DariusX/camel,jamesnetherton/camel,kevinearls/camel,zregvart/camel,apache/camel,punkhorn/camel-upstream,ullgren/camel,punkhorn/camel-upstream,anoordover/camel,onders86/camel,gnodet/camel,objectiser/camel,punkhorn/camel-upstream,cunningt/camel,jamesnetherton/camel,christophd/camel,sverkera/camel,tadayosi/camel,onders86/camel,christophd/camel,tdiesler/camel,cunningt/camel,CodeSmell/camel,tdiesler/camel,ullgren/camel,apache/camel,Fabryprog/camel,adessaigne/camel,pmoerenhout/camel,christophd/camel,objectiser/camel,dmvolod/camel,pax95/camel,tdiesler/camel,ullgren/camel,kevinearls/camel,punkhorn/camel-upstream,ullgren/camel,objectiser/camel,christophd/camel,davidkarlsen/camel,alvinkwekel/camel,dmvolod/camel,akhettar/camel,tdiesler/camel,mcollovati/camel,apache/camel,akhettar/camel,adessaigne/camel,gnodet/camel,kevinearls/camel,apache/camel,anoordover/camel,dmvolod/camel,cunningt/camel,nicolaferraro/camel,Fabryprog/camel,onders86/camel,nikhilvibhav/camel,cunningt/camel,nikhilvibhav/camel,nicolaferraro/camel,anoordover/camel,zregvart/camel,adessaigne/camel,akhettar/camel,davidkarlsen/camel,pax95/camel,tdiesler/camel