Fix GH CI

Author: jridgewell

.github/workflows/test.yml

@@ -21,7 +21,7 @@ jobs:
         run: |
           npm install
           npm run build
-          npm run test:coverage
+          npm run test:only
       - name: Switch to Node.js ${{ matrix.node-version }}
         uses: actions/setup-node@v1
         with: