uff, no sharing between workflows?!

.github/workflows/release-dev.yml

@@ -7,6 +7,23 @@ on:
     branches: [ master ]
 
 jobs:
+  test-matrix:
+    name: matrix test
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [10.x, 12.x, 14.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js ${{ matrix.node-version }}
+      uses: actions/setup-node@v1
+      with:
+        node-version: ${{ matrix.node-version }}
+    - run: npm install
+    - run: npm install -g --save-dev shadow-cljs
+    - run: shadow-cljs compile test
+
   release-dev:
     name: release dev
     needs: test-matrix