DoorDash Used Copilot to Convert Its XCTest-Based iOS Test Suite to Swift Testing



Posted on Mon May 4 2026 | 3:30 pm


Using Copilot along with strong reliability safeguards, DoorDash migrated their iOS XCTest-based test suite to Swift Testing, thus modernizing a large test suite quickly, safely, and with measurable performance gains, says DoorDash engineer Matheus Gois.




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