Thank you very much for your post please let me know first are you client or freelancer ?
Looking forward to hear from you soon !
Please see here sample profile :
See about Skill test : https://support.upwork.com/hc/en-us/articles/211063198-Skills-Tests
For Adding Overview details : https://support.upwork.com/hc/en-us/articles/211063158-Add-Your-Profile-Overview
Please see here for all details : https://support.upwork.com/hc/en-us?flash_digest=5c29908c85bce8716ade0bec2e2f081087344545
If you have any questions feel free contact to me .
Good Luck !