Fix test command

.github/workflows/nodejs.yml

 on:
   push:
     branches:
-    - master
+      - master
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
-    - name: Use Node.js 10.x
-      uses: actions/setup-node@v1
-      with:
-        node-version: 10.x
-    - name: Install yarn
-      run: npm install -g yarn
-    - name: Install dependencies
-      run: yarn install
-    - name: Run tests
-      run: yarn workspaces run test
+      - uses: actions/checkout@v1
+      - name: Use Node.js 10.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: 10.x
+      - name: Install yarn
+        run: npm install -g yarn
+      - name: Install dependencies
+        run: yarn install
+      - name: Run tests
+        run: yarn test