Trial runs is a term used to describe the process of testing something out before it is officially released. The two crossword solutions for this term are 'tests' and 'heats'. Tests refer to the process of running a product or service through a series of tests to ensure that it meets the necessary standards. Heats refer to the process of running a product or service through a series of tests to determine which one performs the best. Both of these processes are important in order to make sure that a product or service is ready for release.