Update test&build.yml

Author: frankzhaopeng

.github/workflows/test&build.yml

@@ -27,9 +27,4 @@ jobs:
         node-version: ${{ matrix.node-version }}
     - run: yarn install --frozen-lockfile
     - run: yarn build
-    - run: yarn test:cov
 
-    - name: Coveralls
-      uses: coverallsapp/github-action@master
-      with:
-        github-token: ${{ secrets.GITHUB_TOKEN }}