test_framework = custom
See also
We welcome you to provide a PR to the https://github.com/platformio/platformio-core/pulls with support for the missing testing framework or file a new request at https://github.com/platformio/platformio-core/issues
If you found a testing framework that is not supported by PlatformIO or the existing runner has limitations, this guide will help you to implement a custom Unit Test Runner and get full control of the testing process.