Fix persmissions on <tests> folder

core.py

@@ -182,6 +182,8 @@ def fix_files_owner_and_permissions():
            cmd="find . -type d -exec chmod u=rwx,g=rx,o= '{}' \;")
     dk_run(service, user='root',
            cmd="find . -type f -exec chmod u=rw,g=r,o= '{}' \;")
+    dk_run(service, user='root',
+           cmd="find ../tests -type d -exec chmod u=rwx,g=rwx,o= '{}' \;")
     dk_run(service, user='root',
            cmd="cd sites && find . -type d -name files -exec chown -R {}:{} "
                "'{}' \;".format(env.apache_userid, env.local_userid, '{}'))