pause mac on gh action

.github/workflows/ci.yml

@@ -15,11 +15,11 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - '1.5' 
-          - '1' 
+          - '1.5'
+          - '1'
         os:
           - ubuntu-latest
-          - macOS-latest
+          #- macOS-latest
           - windows-latest
         arch:
           - x64
@@ -34,4 +34,4 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v1
         with:
-          file: lcov.info
\ No newline at end of file
+          file: lcov.info