Update ci.yml

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         # Test all mainstream operating system
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [windows-latest]
         node: [18]
     runs-on: ${{ matrix.os }}
     steps:
@@ -34,22 +34,3 @@ jobs:
        run: cd packages/less && npm run grunt
      - name: Run unit test
        run: npm run test
-
-  fast_node_test:
-    name: 'Tests on ${{matrix.os}} with node${{matrix.node}}'
-    strategy:
-      matrix:
-        os: [ubuntu-latest]
-        node: [10, 12, 14, 16, 19]
-    runs-on: ${{ matrix.os }}
-    steps:
-     - uses: actions/checkout@v2
-     - uses: actions/setup-node@v2
-       with:
-         node-version: ${{ matrix.node }}
-     - name: Install npm dependencies
-       run: npm install
-     - name: Print put node & npm version
-       run: node --version && npm --version 
-     - name: Run unit test
-       run: npm run test