Okay, that clears up a number of questions. No, if you have only sent test messages out, this should not affect the actual campaigns.
Embargo times, if your server time is different to the actual timezone you are in, then have you tried setting the embargo times to (for example) an hour before the actual server time? This is shown on the embargo page.
Once your server/embargo time match and has actually passed, have you then processed the queue?
Are the emails reported as being sent or does your installation not even send the campaign?