ci: prevent macos to be marked as passing upon failure (#1381)

Author: Nivl

.github/workflows/pr.yml

@@ -56,7 +56,6 @@ jobs:
           go-version: 1.15 # test only the latest go version to speed up CI
       - name: Run tests
         run: make test
-        continue-on-error: true
   tests-on-unix:
     needs: golangci-lint # run after golangci-lint action to not produce duplicated errors
     runs-on: ubuntu-latest