Possibly fix CI for JS

Author: aaronvb

.github/workflows/test_js.yml

@@ -11,18 +11,15 @@ jobs:
     runs-on: ubuntu-latest
     defaults:
       run:
-        working-directory: web
-    strategy:
-      matrix:
-        node-version: [16.x]
+        working-directory: ./web
 
     steps:
     - uses: actions/checkout@v2
-    - name: Use Node.js ${{ matrix.node-version }}
+    - name: Setup node 16
       uses: actions/setup-node@v2
       with:
-        node-version: ${{ matrix.node-version }}
-        cache: 'npm'
+        node-version: '16'
+        cache: 'yarn'
 
     - name: Install dependencies
       run: yarn install