ci: update build-docs

Author: jeremydw

.github/workflows/build-docs.yml

@@ -10,23 +10,11 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
-      - name: Cache node modules
-        uses: actions/cache@v2
-        env:
-          cache-name: cache-node-modules
-        with:
-          path: |
-            ~/.npm
-            **/node_modules
-          key: ${{ runner.os }}-build-${{ env.cache-name }}-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: |
-            ${{ runner.os }}-build-${{ env.cache-name }}-
-            ${{ runner.os }}-build-
-            ${{ runner.os }}-
       - name: Build docs
         run: |
-                npm install --dev
-                npm run docs
+                rm package-lock.json
+                npm install --also=dev
+                npm run test
       - name: Deploy
         uses: peaceiris/actions-gh-pages@v3
         with: