Day or so late...

According to glow I was supposed to start yesterday, never did, had mild cramping during the day and the day before. I've had incredibly sore boobs the past two weeks, so bad if my husband comes close to me I get ready to swing lol. Few days ago my temp spiked and then slowly went down a bit and then this morning spiked way high. According to my other two apps I'm supposed to start today. I took a test on the 29th and it was neg. (dollar store brand). Should I just assume I'm not pregnant and wait for that evil lady to show her face? I'll add temp graph too. Says I'm 15dpo