fix test workflow

Author: abeljohn

.github/workflows/test.yml

@@ -5,12 +5,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
+      - name: Enable Corepack
+        run: corepack enable && yarn --version
       - uses: actions/setup-node@v4
         with:
           node-version: '20'
           cache: 'yarn'
-      - name: Enable Corepack
-        run: corepack enable
       - name: Install modules
         run: yarn install --immutable
       - name: Run tests