Make sure the right membership tag is applied to a test contact’s record that you’re testing. You can verify what the correct tag is for your membership levels by going to (in the wordpress admin sidebar) Memberium > Memberiships and make sure the test member has the correct Infusionsoft tag applied to their Infusionsoft record.

How to use the Page and Post Quick Editor
Memberium extends WordPress’s quick editor to make it easy to make minor changes to your pages and posts one at a time without entering the post editor. This is especially useful when making many small individual changes to posts from the post list.