Embedded developers face lengthy cycles of coding, testing, and debugging on hardware. Virtual testing offers faster feedback but often leads to environment sprawl and high costs. GitLab's managed lifecycle environments address these issues by automating virtual testing. These environments replicate hardware and real-world conditions, allowing firmware testing without physical hardware delays. Traditional approaches involve either re-creating environments for every test, which is inefficient, or using long-lived environments that cause sprawl and configuration issues. GitLab's solution ties virtual test setups to merge requests, creating persistent environments for feature development. This approach eliminates the need for constant rebuilding and automatically cleans up environments upon merging. It provides a single source of truth for test results and metadata, improving collaboration. By automating the entire workflow, GitLab offers reusable environments without escalating costs. This leads to faster development, quicker time-to-market, and enhanced quality assurance.