Fix readline: Don't change directory in test phase.
Fix readline: Don't change directory in test phase.

This was broken by the recent change to run tests
before installing.

R=binji@chromium.org

Review URL: https://codereview.chromium.org/57843005

git-svn-id: 84b3587ce119b778414dcb50e18b7479aacf4f1d@964 7dad1e8b-422e-d2af-fbf5-8013b78bd812

binji/naclports,kuscsik/naclports,adlr/naclports,Schibum/naclports,binji/naclports,dtkav/naclports,yeyus/naclports,Schibum/naclports,yeyus/naclports,dtkav/naclports,dtkav/naclports,yeyus/naclports,clchiou/naclports,kosyak/naclports_samsung-smart-tv,adlr/naclports,yeyus/naclports,Schibum/naclports,kosyak/naclports_samsung-smart-tv,clchiou/naclports,kosyak/naclports_samsung-smart-tv,yeyus/naclports,kuscsik/naclports,kosyak/naclports_samsung-smart-tv,adlr/naclports,Schibum/naclports,dtkav/naclports,yeyus/naclports,adlr/naclports,Schibum/naclports,clchiou/naclports,Schibum/naclports,kosyak/naclports_samsung-smart-tv,binji/naclports,dtkav/naclports,kuscsik/naclports,kuscsik/naclports,binji/naclports,clchiou/naclports,adlr/naclports,binji/naclports,clchiou/naclports,kuscsik/naclports