openqa/check-compose: tweak package installs and sources

we need some from updates-testing for now. also, we need
openqa-httpd for the server.

roles/check-compose/tasks/main.yml

@@ -27,10 +27,17 @@
 # client.conf will be in place (and localhost default would be correct
 # anyhow)
 
+# note: we need updates-testing until fedfind/wikitcms 2.x go stable
+- name: Install required packages (testing)
+  dnf: name={{ item }} state=present enablerepo="updates-testing"
+  with_items:
+  - fedfind
+  tags:
+  - packages
+
 - name: Install required packages
   dnf: name={{ item }} state=present
   with_items:
-  - fedfind
   - python2-fedmsg-consumers
   - python-setuptools
   - python-six