Has this ever happened to anyone!!??

So I'm 9 days late with my af no signs of it.....I'm giving it til Monday to test again cause I took a dollar store one about a week ago and got a bfn I been taking this(pic below) and I think this are drug test I don't no something is not right cause no where on the packages say pregnancy test it just something about drug test and I keep getting negative when I take them I got them off Amazon so I been having really tender breast and I only get nauseous at night time and I get even more nauseous after sex..... my daughter is 5 yrs old I don't remember any symptoms only is me missing my period and I went to the doctors!! So this is all new to me has this ever happen where u only get nauseous at night I pray I'm pregnant gonna make a appointment Monday