Expose Concurrent (private type in public i'face)

Author: eggyal

library/test/src/lib.rs

@@ -49,7 +49,7 @@ pub mod test {
         cli::{parse_opts, TestOpts},
         filter_tests,
         helpers::metrics::{Metric, MetricMap},
-        options::{Options, RunIgnored, RunStrategy, ShouldPanic},
+        options::{Concurrent, Options, RunIgnored, RunStrategy, ShouldPanic},
         run_test, test_main, test_main_static,
         test_result::{TestResult, TrFailed, TrFailedMsg, TrIgnored, TrOk},
         time::{TestExecTime, TestTimeOptions},