when should I test

Tabitha
I've had some faint lines af due 5-13 or 5-15! I know best to wait until af is supposed to come but I'm anxious. Ovulation was supposed to be 4-26 to 5-2! Thanks. 
Also, having the following symptoms for a while now what do you think my chances are?:
Sore and swollen breasts 
Constipation or upset stomach 
Constantly throwing up 
Exhausted constantly 
Backache 
Headache 
Stomach feeling stretching 
Some stomach bloat
Extreme moist throat 
Creamy or watery discharge 
Peeing a lot more 
Faint tests
A little cramping 
Irritable