/usr/lib/python2.6/dist-packages/zope/testbrowser/ftests/forms.html is in python-zope.testbrowser 4.0.2-1.
This file is owned by root:root, with mode 0o777.
It is a symlink to /usr/lib/python2.6/dist-packages/zope/testbrowser/ftests/../../../../../../share/pyshared/zope/testbrowser/ftests/forms.html