update tests to check exit status and abort only if things didnt work correctly
update tests to check exit status and abort only if things didnt work correctly

groundwater/uClibc,atgreen/uClibc-moxie,waweber/uclibc-clang,mephi42/uClibc,skristiansson/uClibc-or1k,atgreen/uClibc-moxie,ffainelli/uClibc,ChickenRunjyd/klee-uclibc,kraj/uclibc-ng,ChickenRunjyd/klee-uclibc,kraj/uclibc-ng,ysat0/uClibc,waweber/uclibc-clang,ChickenRunjyd/klee-uclibc,foss-xtensa/uClibc,klee/klee-uclibc,brgl/uclibc-ng,foss-for-synopsys-dwc-arc-processors/uClibc,ndmsystems/uClibc,skristiansson/uClibc-or1k,hjl-tools/uClibc,mephi42/uClibc,ddcc/klee-uclibc-0.9.33.2,kraj/uclibc-ng,groundwater/uClibc,ffainelli/uClibc,hjl-tools/uClibc,gittup/uClibc,mephi42/uClibc,wbx-github/uclibc-ng,waweber/uclibc-clang,m-labs/uclibc-lm32,czankel/xtensa-uclibc,foss-for-synopsys-dwc-arc-processors/uClibc,ChickenRunjyd/klee-uclibc,brgl/uclibc-ng,hwoarang/uClibc,kraj/uClibc,OpenInkpot-archive/iplinux-uclibc,brgl/uclibc-ng,groundwater/uClibc,ffainelli/uClibc,czankel/xtensa-uclibc,majek/uclibc-vx32,foss-for-synopsys-dwc-arc-processors/uClibc,klee/klee-uclibc,m-labs/uclibc-lm32,groundwater/uClibc,groundwater/uClibc,klee/klee-uclibc,skristiansson/uClibc-or1k,hjl-tools/uClibc,hwoarang/uClibc,ysat0/uClibc,majek/uclibc-vx32,ddcc/klee-uclibc-0.9.33.2,hjl-tools/uClibc,gittup/uClibc,m-labs/uclibc-lm32,wbx-github/uclibc-ng,ysat0/uClibc,majek/uclibc-vx32,kraj/uclibc-ng,hwoarang/uClibc,ffainelli/uClibc,mephi42/uClibc,ddcc/klee-uclibc-0.9.33.2,atgreen/uClibc-moxie,m-labs/uclibc-lm32,wbx-github/uclibc-ng,ndmsystems/uClibc,skristiansson/uClibc-or1k,kraj/uClibc,waweber/uclibc-clang,klee/klee-uclibc,majek/uclibc-vx32,ysat0/uClibc,foss-xtensa/uClibc,OpenInkpot-archive/iplinux-uclibc,OpenInkpot-archive/iplinux-uclibc,foss-xtensa/uClibc,gittup/uClibc,kraj/uClibc,czankel/xtensa-uclibc,czankel/xtensa-uclibc,OpenInkpot-archive/iplinux-uclibc,hwoarang/uClibc,ndmsystems/uClibc,kraj/uClibc,foss-for-synopsys-dwc-arc-processors/uClibc,brgl/uclibc-ng,ndmsystems/uClibc,wbx-github/uclibc-ng,gittup/uClibc,atgreen/uClibc-moxie,ffainelli/uClibc,ddcc/klee-uclibc-0.9.33.2,foss-xtensa/uClibc,hjl-tools/uClibc