Skip SASL tests unless RUN_SASL_TESTS is defined.
Skip SASL tests unless RUN_SASL_TESTS is defined.

This fails for various stupid platform-specific things.  The SASL code
can be working correctly, but not in a way that is completely
predictable on every platform (for example, we may be missing a
particular auth mode).

dustin/memcached,williamcheungthu/memcached,zaycev/memcached,jeremiahyan/memcached,DSrcl/memcached,leedc/memcached,niaomingjian/memcached,Dhruva6/memcached,sagark/memcached-accel,ZhangZhenhua/memcached,angusfenying/memcached-win64,tmharrisonwang/memcached,alexandermerritt/memcached,neutronsharc/memcached,kamyu104/memcached,gencer/memcached,memcached/memcached,msg7086/repcached,rmccullagh/memcached,bpzhang/memcached,amyvmiwei/memcached,leedc/memcached,cloudrain21/memcached,mdounin/memcached,allen8807/memcached-1,rmccullagh/memcached,samanbarghi/memcached,msg7086/repcached,kamyu104/memcached,romanticode/memcached,gencer/memcached,allen8807/memcached-1,sagark/memcached-accel,emcconville/memcached,elfchief/memcached,jbergstroem/memcached,angusfenying/memcached-win64,samanbarghi/memcached,elfchief/memcached,leedc/memcached,allen8807/memcached-1,cloudrain21/memcached,samt42/memcached,allen8807/memcached-1,fengshao0907/memcached,amyvmiwei/memcached,mitliucak/memcached,tomykaira/memcached,emcconville/memcached,13693100472/memcached,ZhangZhenhua/memcached,13693100472/memcached,dormando/memcached,fengshao0907/memcached,dormando/memcached,13693100472/memcached,fengshao0907/memcached,cloudrain21/memcached,angusfenying/memcached-win64,Distrotech/memcached,sagark/memcached-accel,angusfenying/memcached-win64,Danzeer/memcached,guikcd/memcached,jbergstroem/memcached,msg7086/repcached,zaycev/memcached,bpzhang/memcached,Danzeer/memcached,dkrotx/memcached-dd,myPublicGit/memcached,gencer/memcached,xiaosl/memcached,guikcd/memcached,EdwardLee03/memcached,mdounin/memcached,jbergstroem/memcached,Dhruva6/memcached,fengshao0907/memcached,tellapart/memcached,alexandermerritt/memcached,tellapart/memcached,tmharrisonwang/memcached,rmccullagh/memcached,EdwardLee03/memcached,rhli/memcached,tmharrisonwang/memcached,guikcd/memcached,rhli/memcached,cloudrain21/memcached,rhli/memcached,EdwardLee03/memcached,myPublicGit/memcached,jeremiahyan/memcached,rmccullagh/memcached,samt42/memcached,elfchief/memcached,alexandermerritt/memcached,elfchief/memcached,memcached/memcached,tellapart/memcached,emcconville/memcached,leverich/memcached-affinity,ClearwaterCore/memcached,myPublicGit/memcached,mitliucak/memcached,Dhruva6/memcached,EdwardLee03/memcached,niaomingjian/memcached,jeremiahyan/memcached,mdounin/memcached,jeremiahyan/memcached,Distrotech/memcached,gencer/memcached,DigitalAce/memcached,samanbarghi/memcached,xiaosl/memcached,williamcheungthu/memcached,msg7086/repcached,dianerdianer/memcached,niaomingjian/memcached,samt42/memcached,dkrotx/memcached-dd,dustin/memcached,ZhangZhenhua/memcached,memcached/memcached,dkrotx/memcached-dd,elfchief/memcached,13693100472/memcached,dkrotx/memcached-dd,dormando/memcached,surajdharmapuram/memcached,zaycev/memcached,Danzeer/memcached,neutronsharc/memcached,amyvmiwei/memcached,ZhangZhenhua/memcached,leverich/memcached-affinity,rhli/memcached,tomykaira/memcached,leedc/memcached,samt42/memcached,memcached/memcached,bpzhang/memcached,bpzhang/memcached,kamyu104/memcached,zaycev/memcached,guikcd/memcached,neutronsharc/memcached,DSrcl/memcached,Dhruva6/memcached,myPublicGit/memcached,niaomingjian/memcached,tmharrisonwang/memcached,neutronsharc/memcached,sagark/memcached-accel,dianerdianer/memcached,sagark/memcached-accel,williamcheungthu/memcached,13693100472/memcached,ClearwaterCore/memcached,Danzeer/memcached,Distrotech/memcached,guikcd/memcached,DigitalAce/memcached,surajdharmapuram/memcached,romanticode/memcached,xiaosl/memcached,dormando/memcached,xiaosl/memcached,ClearwaterCore/memcached,DigitalAce/memcached,surajdharmapuram/memcached,memcached/memcached,dianerdianer/memcached,dustin/memcached,dormando/memcached,williamcheungthu/memcached,msg7086/repcached,kamyu104/memcached,mitliucak/memcached,DSrcl/memcached,rmccullagh/memcached,leverich/memcached-affinity,tomykaira/memcached,emcconville/memcached,samanbarghi/memcached,alexandermerritt/memcached,dianerdianer/memcached,surajdharmapuram/memcached,romanticode/memcached,tomykaira/memcached,mitliucak/memcached,romanticode/memcached,DSrcl/memcached,ClearwaterCore/memcached,amyvmiwei/memcached,gencer/memcached