speeding up test_uninstall_editable_with_source_outside_venv by using pip-test-package instead of virtualenv
speeding up test_uninstall_editable_with_source_outside_venv by using pip-test-package instead of virtualenv

before:
1 passed, 12 deselected in 218.41 seconds

after:
1 passed, 12 deselected in 3.42 seconds

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