Inconclusive pregnancy test

So I just took a test and no lines at all popped up so I'm waiting for my coworker to come back to work so she can be my good luck charm when I pee on this second one lol with my daughter my coworker stood outside the bathroom while I took my test and it came out positive which is why I'm waiting for her so I can take this second test lol send good vibes and keep fingers crossed for me please /: