Once you create a test, you can take yourself through the candidate experience and try it out. Simply use the "Test drive" feature.
You can access the Test Drive feature from the test list in CodeCheck menu:
You can also use Test Drive directly on the test page, in the upper right corner:
Please note that no invites will be deducted from your account for Test Drives. If you choose to complete the test and submit your answers, the results will show up as "Anonymous" on the Candidates list.