The fastest test suite is the one that doesn't need a device. That sounds like a testing tip, but it's really an architecture result: if your logic lives in a framework-free core behind interfaces, the vast majority of it is plain Kotlin you can test in commonTest — no emulator, no simulator, no...
Source: [Dev.to](https://dev.to/theaxcode/testing-kotlin-multiplatform-a-suite-that-runs-mostly-without-a-device-2cbh)