fix failing tests on BSD
fix failing tests on BSD

tigerneil/psutil,skyshe/psutil,kiranvizru/psutil,marmolu/psutil,jucapj/psutil,skyshe/psutil,zhengzheng/psutil,huson2012/psutil,google-code-export/psutil,PFZheng/psutil,huson2012/psutil,vmolsa/psutil,vmolsa/psutil,end18/psutil,nmani1905/psutil,djhaskin987/psutil,jucapj/psutil,AlanZatarain/psutil,end18/psutil,shiva21/psutil,kiranvizru/psutil,marmolu/psutil,google-code-export/psutil,stupidcache/psutil,google-code-export/psutil,skyshe/psutil,shiva21/psutil,Alwnikrotikz/psutil,creativewild/psutil,tigerneil/psutil,djhaskin987/psutil,chjwang/psutil,tigerneil/psutil,Alwnikrotikz/psutil,chjwang/psutil,kiranvizru/psutil,anfedorov/psutil,djhaskin987/psutil,kiranvizru/psutil,creativewild/psutil,vmolsa/psutil,vmolsa/psutil,peter-hst/psutil,end18/psutil,stupidcache/psutil,anfedorov/psutil,skyshe/psutil,stupidcache/psutil,google-code-export/psutil,end18/psutil,creativewild/psutil,zhengzheng/psutil,nmani1905/psutil,huson2012/psutil,tigerneil/psutil,PFZheng/psutil,djhaskin987/psutil,peter-hst/psutil,AlanZatarain/psutil