try MPICH on macos

simonbyrne · simonbyrne · commit b6c215af881e · 2022-02-18T08:44:40.000-08:00
diff --git a/.github/workflows/UnitTests.yml b/.github/workflows/UnitTests.yml
@@ -59,7 +59,7 @@ jobs:
     strategy:
       matrix:
         mpi:
-          #BROKEN - mpich
+          - mpich
           - openmpi
         julia_version:
           - "1"
