Makes tests inherit from ActionView::TestCase.

git-svn-id: svn+ssh://rubyforge.org/var/svn/redmine/trunk@8277 e93f8b46-1217-0410-a6f0-8f06a7374b81

--HG--
extra : source : 87a5fe3218610051b7566608af13e001385f83c7
Additional tests for IssuesHelper#show_detail.

--HG--
extra : source : 7e785bacf1b034d8ea9426b17628c5d730d45a3a
fix unit tests

--HG--
extra : source : f33b2b8a6d764a7ba317a0aa48b45c48bc5e23b8
Removed object_daddy dependency.

--HG--
rename : test/object_daddy_helpers.rb => test/object_helpers.rb