Ttc baby two this month

Hello I was wondering when to test I'm 8DPO my period not until 3rd but been experienced alot of symptoms like soreness breast now and then I'm bloated that I can't get my skinny jeans on discharge milky

I have done a test but a cheap one and this is the result I have done a red dye one and It looks it had a indent in I'm not sure what to do what Af comes or not x thank you