Skip some --user tests under pypy, that seems to be broken there.
Skip some --user tests under pypy, that seems to be broken there.

ChristopherHogan/pip,Gabriel439/pip,caosmo/pip,benesch/pip,mujiansu/pip,sigmavirus24/pip,alex/pip,alex/pip,patricklaw/pip,haridsv/pip,James-Firth/pip,blarghmatey/pip,jmagnusson/pip,prasaianooz/pip,msabramo/pip,ianw/pip,xavfernandez/pip,jythontools/pip,James-Firth/pip,tdsmith/pip,esc/pip,haridsv/pip,mindw/pip,pradyunsg/pip,habnabit/pip,zvezdan/pip,qbdsoft/pip,mattrobenolt/pip,mujiansu/pip,qwcode/pip,esc/pip,harrisonfeng/pip,mujiansu/pip,supriyantomaftuh/pip,pjdelport/pip,Carreau/pip,Gabriel439/pip,nthall/pip,Carreau/pip,pradyunsg/pip,ncoghlan/pip,domenkozar/pip,zorosteven/pip,jmagnusson/pip,h4ck3rm1k3/pip,willingc/pip,dstufft/pip,natefoo/pip,jamezpolley/pip,squidsoup/pip,erikrose/pip,msabramo/pip,caosmo/pip,chaoallsome/pip,pypa/pip,pypa/pip,jythontools/pip,atdaemon/pip,alquerci/pip,willingc/pip,erikrose/pip,ianw/pip,zenlambda/pip,squidsoup/pip,esc/pip,alex/pip,h4ck3rm1k3/pip,James-Firth/pip,pfmoore/pip,xavfernandez/pip,caosmo/pip,qbdsoft/pip,zorosteven/pip,jamezpolley/pip,zenlambda/pip,graingert/pip,Gabriel439/pip,prasaianooz/pip,KarelJakubec/pip,RonnyPfannschmidt/pip,habnabit/pip,rouge8/pip,rouge8/pip,cjerdonek/pip,jasonkying/pip,sbidoul/pip,Ivoz/pip,xavfernandez/pip,nthall/pip,harrisonfeng/pip,pjdelport/pip,techtonik/pip,blarghmatey/pip,zorosteven/pip,wkeyword/pip,jythontools/pip,rouge8/pip,rbtcollins/pip,patricklaw/pip,luzfcb/pip,habnabit/pip,davidovich/pip,h4ck3rm1k3/pip,zvezdan/pip,techtonik/pip,zvezdan/pip,mindw/pip,willingc/pip,harrisonfeng/pip,techtonik/pip,KarelJakubec/pip,cjerdonek/pip,sigmavirus24/pip,benesch/pip,minrk/pip,sigmavirus24/pip,RonnyPfannschmidt/pip,nthall/pip,yati-sagade/pip,alquerci/pip,pfmoore/pip,pjdelport/pip,graingert/pip,davidovich/pip,rbtcollins/pip,squidsoup/pip,atdaemon/pip,sbidoul/pip,RonnyPfannschmidt/pip,supriyantomaftuh/pip,yati-sagade/pip,erikrose/pip,blarghmatey/pip,natefoo/pip,qwcode/pip,haridsv/pip,dstufft/pip,chaoallsome/pip,tdsmith/pip,mindw/pip,fiber-space/pip,wkeyword/pip,zenlambda/pip,luzfcb/pip,natefoo/pip,supriyantomaftuh/pip,atdaemon/pip,mattrobenolt/pip,jamezpolley/pip,rbtcollins/pip,luzfcb/pip,jasonkying/pip,ncoghlan/pip,fiber-space/pip,fiber-space/pip,jmagnusson/pip,davidovich/pip,ncoghlan/pip,KarelJakubec/pip,dstufft/pip,jasonkying/pip,ChristopherHogan/pip,benesch/pip,yati-sagade/pip,wkeyword/pip,chaoallsome/pip,prasaianooz/pip,Ivoz/pip,tdsmith/pip,radiosilence/pip,ChristopherHogan/pip,minrk/pip,qbdsoft/pip,graingert/pip