> + clean

## verbose
> + -v compile

## test scoped task
## this should not force any Scala version changes to other subprojects
> debug
> + baz/check

## test input task
> + foo / testOnly foo.FooSpec
> + testOnly foo.FooSpec

## test + with task in multi-project with different Scala versions
> + check

## test + with command or alias
> clean
## for command cross building you do need crossScalaVersions on root
> set root/crossScalaVersions := Seq("2.12.21", "2.13.12")
> + build
$ exists target/out/jvm/scala-2.12.21/foo
$ exists target/out/jvm/scala-2.13.12/foo
$ exists target/out/jvm/scala-2.12.21/bar
$ exists target/out/jvm/scala-2.13.12/bar
$ exists target/out/jvm/scala-2.12.21/client
$ exists target/out/jvm/scala-2.13.12/client
