TestOut Corporation | 4,926 followers on LinkedIn. The Lessons Only Experience Can Teach | TestOut provides industry-leading IT certification training through interactive, hands-on lab exercises, video training, written lessons, custom quizzes, and certification exams all in one integrated training package. We are dedicated to helping individuals advance in their IT careers through effective training courses that prepare them to pass their IT certification exams and learn skills to help them be successful on the job.