KUnit Tests for the device model

modulename: root-device-test.ko

and/or

platform-device-test.ko

configname: CONFIG_DM_KUNIT_TEST

Linux Kernel Configuration
└─>Device Drivers
└─>Generic Driver Options
└─>KUnit Tests for the device model
In linux kernel since version 4.14.327 (release Date: 2023-10-10)  
source code:
drivers/base//test/root-device-test.c
depends
CONFIG_KUNIT