message: Fix typo (and coverage) + specific os versions
diff: @@ -37,7 +37,7 @@ jobs:
  builds-and-tests:
  strategy:
  matrix:
  - os: [ubuntu-latest, macos-latest]
  + os: [ubuntu-18.04, macos-10.15]
  target: [debug, optim]
  mpi: [sequential, parallel]
  build-system: [make]
  @@ -147,7 +147,7 @@ jobs:
  cd mfem && make unittest
  - name: tests
  - if: matrix.build_system == 'make' && matrix.target == 'optim'
  + if: matrix.build-system == 'make' && matrix.target == 'optim'
  run: |
  cd mfem && make test
  