Advice Please

Help!! Ok so I have very irregular periods but I thought I'm due sometime about now-ish. As routine, this morning with 2ndmorning urine I did a one step HCG test and a one step LH test. Both had second lines?! (The pictures shown is the HCG pregnant test). Because of the lines I thought ah this is it! It's my time! So then an hour or so later I did a digital test and another cheap one step HCG test... Both were negative! So no now I'm confused?!? Do you think I just got a false positive some how? 
Any advice welcome. Thanks x