Testing

Has anyone tested 4 days before there period and got a positive line I am just wondering I am like dying to test since my husband and I have been trying to conceive would be my second pregnancy my first pregnancy I did know I was pregnant since I did have any symptoms but a missed period.this time I have had a few symptoms like breast tenderness, fatigue, and cramps, also really bad headaches so I just wanted to hear from others advice and experiences. Thank u