Test with previous jest versions

.github/workflows/test-jest.yml

@@ -0,0 +1,27 @@
+name: Build
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        jest-version: [25.x, 26.x 27.x]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js 16.x
+      uses: actions/setup-node@v1
+      with:
+        node-version: 16.x
+    - run: npm ci
+    - run: npm install jest@${{ matrix.jest-version }} ts-jest@${{ matrix.jest-version }} @types/jest@${{ matrix.jest-version }}
+    - run: npm run test:jest