Julian Espina focused on improving the reliability of the tc39/test262 test suite by correcting test flags related to Explicit Resource Management. Working primarily with JavaScript and leveraging his testing expertise, Julian identified and fixed issues where syntax error tests in strict mode did not align with specification semantics. By updating the test flags, he reduced flaky outcomes and improved the stability of continuous integration runs. This targeted bug fix enhanced the accuracy of resource management feature verification, ensuring that test expectations matched the intended behavior. Julian’s work contributed to more dependable automated testing and streamlined the validation process for future changes.