Help Are these tests no good? :( has anyone used them before?

[Missbx]

Are these tests no good ? I've had someone tell me theses are rubbish? Has anyone used them before?

Ive been using green handled ones but run out yestuerday well have 2 left there 20miu so got more today blue handled ones there 10miu but the lines are all very faint are they no good?

Todays tests

 

[jojo3972]

I've used those before never had a problem , some opks don't have as much dye as others so lines rnt as dark but all work the same x