During March 2025, Haqer focused on stabilizing the HttpClient test suite within the eugenp/tutorials repository by addressing a targeted bug in the unit tests. He corrected a misaligned package declaration in the HttpClientConnectionManagementUnitTest, ensuring that test classes are properly located and recognized by the Java build system. Additionally, he refined variable declarations by making them final and initializing them directly, which improved code clarity and safety. Working primarily with Java and unit testing frameworks, Haqer’s contribution enhanced the reliability and maintainability of the test suite, though the scope was limited to a single, well-defined bug fix that deepened test robustness.