Opinions?? Today I took a test, which had a very very faint line at first, I sat it down and went back 3 hours later and looked and it had

Destiny
Today I took a test, which had a very very faint line at first, I sat it down and went back 3 hours later and looked and it had a darker line... Is this positive? I know that you are supposed to follow directions and dispose after 5 to 10 min