Not sure- can't tell if it is a faint line

Neslie
TTC for about a year. I've only seen negatives.
Took the same test last week, only saw one dark line. 
My period is 5 day late. Took a test after dinner, and only saw one dark line, so I put it away. Went back to it a little later, and found a SUPER faint line. 
Not sure if it is because it's a cheapie, or if I'm delusional. Please help - thank you.

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