tests: upgrade.sh outdated

[examachine]

$ tests/upgrade.sh 
/Volumes/Centauri/Users/malfunct/Code/projects/pisi
+ pisi-cli -Dtmp -E --ignore-build-no build tests/zip/pspec.xml tests/unzip/pspec.xml
Outputting packages in the working directory.
Building PISI source package: zip
Compiling action script
Safety switch: the component system.devel cannot be found
Unsatisfied Build Dependencies: patch 
Ignoring build dependencies.
Fetching source from: ftp://ftp.linux.org.tr/pub/mirrors/gentoo/distfiles/zip23.tar.gz
Program Terminated.
Cannot fetch ftp://ftp.linux.org.tr/pub/mirrors/gentoo/distfiles/zip23.tar.gz; .
Please use 'pisi help' for general help.
Use --debug to see a traceback.