croNinja,
The QA URL is specific not only to the activity but to the experience in the Activity. If I were tasked to set up two activities that modify different parts of the page on the same URL and wanted to qualify into both at the same time here is how I would do it:
1. Set up the 2 activities like this:
Activity1:
URL: domain1.com
Audience: if URL contains test=1234
Activity2:
URL: domain1.com
Audience: if URL contains test=1234 + (Whatever else you need to properly narrow down your audience)
2. Turn both activities live. None of your real visitors should see them because they don't know the secret URL parameters.
3. When you test use the secret parameter. Since you qualify for both activities you should see content changes made from both. As long as they are changing different elements of the site. (If they both change the same element you will just see the last changes that were applied by whatever activity happened to have effect on the element last)
Hope this helps you out a lot
Mihnea Docea | Technical Support Rep, Customer Care | Customer & Employee Experience | Adobe | (:: 1 (800) 497-0335