chore: fix CI testing matrix

Author: crutchcorn

.github/workflows/test.yml

@@ -18,25 +18,17 @@ jobs:
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v2
-      - name: Use Node.js 14.x
-        uses: actions/setup-node@v1
+      - name: Setup Node.js
+        uses: actions/setup-node@v2
         with:
-          node-version: '14'
+          node-version: ${{ matrix.node }}
+          cache: yarn
 
-      # From: https://help.github.com/en/actions/configuring-and-managing-workflows/caching-dependencies-to-speed-up-workflows#example-using-the-cache-action
-      - name: Cache node modules
-        uses: actions/cache@v2
-        env:
-          cache-name: cache-node-modules
-        with:
-          path: ~/.npm # npm cache files are stored in `~/.npm` on Linux/macOS
-          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: Install Dependencies
-        run: npm ci
+        run: yarn install --frozen-lockfile
+
+      - name: Bootstrap Dependencies
+        run: yarn bootstrap
 
       - name: Test
-        run: npm test
+        run: yarn test