Birthday Baby or wishful thinking?!

Hello ladies.
This is my third post over three days and I'm feeling even more confused. 
Sunday I took a test as Glow said to and thought I saw a vvvv faint line. I took 2 more test half an hour apart (very cheap tests). 
Sunday's tests:
Yesterday's tests morning:
Yesterday's tests last night:
I then went to the shops to buy a supermarket test:
Test at 02:30 this morning:
Test at 09:30 this morning:
Shouldn't it have got darker by now? At been three days of tests. Is it just my hormones and Evap lines? I'm due on my period today. I'm so unsure. I haven't mentioned it to hubby yet as I did t want to be wrong. Thank you so much xXx