linux/drivers/of/testcase-data/testcases.dts

/dts-v1/;
/ {
	testcase-data {
		changeset {
			prop-update = "hello";
			prop-remove = "world";
			node-remove {
			};
		};
	};
};
#include "tests-phandle.dtsi"
#include "tests-interrupts.dtsi"
#include "tests-match.dtsi"
#include "tests-platform.dtsi"