Add workflow for mongodb tests

.github/workflows/mongodb.yml

@@ -0,0 +1,45 @@
+name: MongoDB
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  build:
+
+    services:
+      mongodb:
+        image: bitnami/mongodb
+        ports:
+        - 27017:27017
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest]
+        java: [1.8, 11]
+      fail-fast: false
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Setup JDK
+      uses: actions/setup-java@v1
+      with:
+        java-version: ${{ matrix.java }}
+    - name: Build with Gradle
+      run: ./gradlew clean build -x reference -PstatemachineIncludeTags=mongodb -PstatemachineTestResults=true
+    - name: Tar Build Logs
+      if: ${{ failure() }}
+      run: |
+        tar -zc --ignore-failed-read --file build/buildlogs.tar.gz */build/reports */*/build/reports
+    - name: Upload Build Logs
+      if: ${{ failure() }}
+      uses: actions/upload-artifact@v2
+      with:
+        name: buildlogs
+        path: build/buildlogs.tar.gz