Add new test pipeline

.github/workflows/test.yaml

@@ -0,0 +1,78 @@
+name: Run tests
+
+on:
+  pull_request:
+    branches:
+      - 'master'
+  push:
+    branches:
+      - 'master'
+  workflow_dispatch: 
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    # TODO: Use strategy.matrix and always run on lowest and highest supported API
+    steps:
+      - name: checkout
+        uses: actions/checkout@v4
+
+      - name: Enable KVM
+        run: |
+          echo 'KERNEL=="kvm", GROUP="kvm", MODE="0666", OPTIONS+="static_node=kvm"' | sudo tee /etc/udev/rules.d/99-kvm4all.rules
+          sudo udevadm control --reload-rules
+          sudo udevadm trigger --name-match=kvm
+
+      - name: Load Gradle from cache (or install + cache)
+        uses: gradle/actions/setup-gradle@v3
+
+      - name: AVD cache
+        uses: actions/cache@v4
+        id: avd-cache
+        with:
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: avd-29
+          save-always: true
+
+      - name: create AVD and generate snapshot for caching
+        if: steps.avd-cache.outputs.cache-hit != 'true'
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: 29
+          arch: x86_64
+          force-avd-creation: false
+          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: true
+          disable-spellchecker: true
+          profile: Nexus 6
+          script: echo "Generated AVD snapshot for caching."
+
+      - name: Save AVD to cache
+        if: steps.avd-cache.outputs.cache-hit != 'true'
+        uses: actions/cache/save@v4
+        with:
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: avd-29
+
+      - name: Add Dropbox API credentials
+        shell: bash
+        run: |
+          echo "dropbox.refresh_token = \"${{ secrets.DROPBOX_REFRESH_TOKEN }}\"" >> app.properties
+          echo "dropbox.app_key = \"${{ secrets.DROPBOX_APP_KEY }}\"" >> app.properties
+
+      - name: Run tests
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: 29
+          arch: x86_64
+          force-avd-creation: false
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: true
+          disable-spellchecker: true
+          profile: Nexus 6
+          # Tests should use the build which includes Dropbox code.
+          script: ./gradlew connectedPremiumDebugAndroidTest