Function rustdoc::doctest::run_tests

pub(crate) fn run_tests(
    opts: GlobalTestOptions,
    rustdoc_options: &Arc<Options>,
    unused_extern_reports: &Arc<Mutex<Vec<UnusedExterns>>>,
    standalone_tests: Vec<TestDescAndFn>,
    mergeable_tests: FxHashMap<Edition, Vec<(DocTestBuilder, ScrapedDocTest)>>,
)