Automated Tests

Hi,
Does anyone know of a way to automate tests to run and data to be recorded at set intervals throughout the day? I’m looking for tests to run automatically at different times of the day from different cities and with different browsers. Thanks!

Usually this: https://sites.google.com/a/webpagetest.org/docs/advanced-features/webpagetest-restful-apis

combined with something like http://unixhelp.ed.ac.uk/CGI/man-cgi?crontab+5