use rstest::rstest;
#[rstest]
fn should_success() -> Result<(), &'static str> {
Ok(())
}
#[rstest]
fn should_fail() -> Result<(), &'static str> {
Err("Return Error")
}
#[rstest(ret,
case::should_success(Ok(())),
case::should_fail(Err("Return Error"))
)]
fn return_type(ret: Result<(), &'static str>) -> Result<(), &'static str> {
ret
}