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Case Study

Automation Testing for a HealthTech Managing Millions of Patient Records 

About

A leading HealthTech company sought to streamline its testing strategy for web and mobile applications. Their platform manages millions of patient records, facilitates appointment scheduling, and supports real-time telemedicine consultations. The solution needed to ensure flawless user experience, robust data integrity, and seamless system performance under peak loads

Challenges

  1. Ensuring cross-browser and cross-device compatibility for the web and mobile applications, crucial for both patients and healthcare providers. 

  2. Automating complex workflows, such as patient registration, appointment booking, and EMR data access. 

  3. Ensuring API-driven data consistency across various healthcare systems, while validating sensitive patient information in compliance with HIPAA. 

  4. Automating ETL processes to validate the accurate synchronisation of patient data across hospitals, insurance providers, and third-party systems. 

  5. Implementing load testing to guarantee system reliability during high-traffic periods. 

  6. Providing real-time insights into test progress and outcomes for both internal teams and clients through a robust reporting mechanism. 

  7. Reducing manual regression testing time while increasing overall test coverage.

Our solutions

  1. Web UI Testing: 

    • Developed a cross-browser automated testing framework for testing web applications. 

    • Created reusable page object models to structure test scripts for easy maintenance and scalability. 

    • Conducted testing across multiple browsers (Chrome, Firefox, Safari, Edge) to ensure compatibility, leveraging BrowserStack for diverse OS/browser combinations. 

    • Focused on critical workflows such as appointment scheduling, EMR access, and patient data entry, ensuring all functionalities performed seamlessly across environments. ​

  2. E2E Testing: 

    • Built a separate end-to-end testing suite for faster execution of critical user scenarios. 

    • Rapidly executed real-time tests, covering functionalities like user authentication, booking processes, and telemedicine sessions. 

    • Leveraged Cypress’s native parallel execution capabilities to shorten test cycles without compromising coverage. 

  3. API Automation Testing: 

    • Developed a robust API testing suite to validate various endpoints that support patient data transfer, appointment handling, and insurance claims processing. 

    • Automated tests covered functionalities like verifying API response codes, schema validation, data security, and error handling. 

    • Focused on ensuring all APIs handled sensitive patient data in compliance with HIPAA, including encrypted data transfers and secure token-based authentication. 

    • Validated integration between hospital systems, third-party services (insurance, payment), and the central EMR database to ensure seamless communication. ​

  4. ETL Automation Testing: 

    • Automated the validation of data pipelines for data transformation processes. 

    • Created custom scripts to test the accuracy of data ingestion, transformation, and loading between the healthcare provider’s databases and third-party systems, ensuring no data loss or corruption. 

    • Validated end-to-end ETL workflows that synchronize patient records across hospital systems, ensuring the integrity of patient data post-transformation. 

    • Automated data quality checks that are triggered after every deployment, detecting discrepancies between source and destination databases early in the process. ​

  5. Load Testing: 

    • Conducted load and performance testing to simulate high-traffic scenarios and measure system responsiveness under stress. 

    • Tested high-volume transaction scenarios during peak usage periods (e.g., flu season, emergency outbreaks) to ensure the platform’s stability. 

    • Monitored response times, throughput, and error rates under different load conditions, helping optimize backend services and database queries. 

  6. Custom Reporting Tool for Client Visibility: 

    • Developed a custom reporting tool that consolidated data from all automated tests (UI, API, ETL, load) and generated clear, client-friendly reports. 

    • The tool provided real-time visibility into test results, highlighting successes, failures, and performance metrics for key user scenarios. 

    • Integrated the reporting tool with Jenkins CI pipeline, allowing clients and internal teams to monitor test outcomes after each release. 

    • Implemented interactive dashboards for tracking long-term trends in test stability, system performance, and data quality over multiple releases. ​

  7. Continuous Integration (CI) Pipeline Integration: 

    • Integrated all automated testing frameworks into the Jenkins CI pipeline, enabling continuous testing across multiple environments with every code commit. 

    • Provided detailed test reports, which were embedded into the CI pipeline to give developers and QA teams immediate feedback on failed tests and performance issues. 

Outcome and Metrics of Success: 

  1. Enhanced Test Coverage:

    • Achieved over 95% automated test coverage for critical user workflows, ensuring that both the web and mobile applications were thoroughly tested across different devices and browsers. 

  2. Reduced Testing Time:

    • Regression testing time decreased by 75%, from several days to a few hours, allowing for faster and more reliable feature deployments. 

  3. Improved System Reliability:

    • Load testing results identified and resolved bottlenecks, leading to improved system stability under peak traffic conditions, ensuring seamless operation during emergencies. 

  4. Data Integrity and Compliance:

    • Automated API and ETL testing ensured secure, accurate synchronization of patient data across systems, complying with HIPAA regulations and other healthcare standards. 

  5. Real-Time Client Reporting:

    • The custom reporting tool gave clients and stakeholders real-time visibility into testing outcomes, enhancing transparency and building trust with the development team. 

  6. Seamless Release Process:

    • Automated testing integrated into the CI/CD pipeline enabled faster, more reliable releases, reducing manual intervention and increasing system uptime. 

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