type CliRespawnPlan = NonNullable<ReturnType<typeof buildCliRespawnPlan>>;

function expectCliRespawnPlan(plan: ReturnType<typeof buildCliRespawnPlan>): CliRespawnPlan {

expect(plan).toEqual(expect.any(Object));

expect(plan).not.toBeNull();

if (plan === null) {

throw new Error("Expected CLI respawn plan");

}