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Testing complex software products in the healthcare and finance industries can be challenging due to the high degree of interdependence and integration of various software components. These industries often rely on intricate systems that span multiple platforms and networks, making it difficult to pinpoint and diagnose issues when they occur. The test-as-a-service model can help address this challenge by providing end-to-end testing services that cover the entire software ecosystem. TaaS providers can help identify critical paths, test integrations, and verify that software products meet industry-specific standards and regulatory requirements. In addition, they can leverage their expertise in automation and manual testing to ensure that the software is thoroughly tested and meets the highest standards of quality.