Example of `registerTest` usage

ShutdownSuite.test.scala

//> using scala 3.7.4
//> using dep "org.typelevel::weaver-cats::0.11.3"

import weaver.*
import cats.effect.*

object ShutdownSuite extends SimpleIOSuite with Expectations.Helpers {

  private val shutdownHook: Resource[IO, Unit] = Resource.onFinalize(IO.println("Shutting down."))

  // All tests are passed a logger, and no tests are defined with Res
  def testAndShutdown(name: TestName)(run: IO[Expectations]): Unit = 
     registerTest(name)(_ => Test[IO](name.name, shutdownHook.surround(run)))

  testAndShutdown("my test")(IO(success))
  testAndShutdown("my other test")(IO(success))
}