Uhg CONFUSED

 Pink dye test says no but clear blue test says positive it the faintest little line wounderin if i should test tomrrow morning iam still bleeding like its my period but cant figure out how i have a positive test  iam 15 dpo an had mild cramping yesterday. Went to the bathroom within 15 minets of the cramping and saw. A little bit of blood   Since  my period is 5 days away i thought IB but i guess not idont know what  to do  believe clear blue or believe the dollar store test and if it is positive why am i bleeding