The Fourth Industrial Revolution (Industry 4.0) is closing the gap between information technology (IT) and operational technology (OT). This latest revolution in multifaceted, consisting of factors like IoT, test automation, and digital twins, all of which are necessary components in integrating the physical and virtual worlds. This merging of traditional manufacturing and current technology has meant rapid changes for the industry, forcing manufactures to adapt quickly or fall behind. But while the challenges may be great, the numerous benefits, including increased test reliability and efficiency, reduced tests costs, and improved product quality, cannot be denied. Are you ready for Industry 4.0?