ci: Instrumentation tests coverage in ci.

.gitea/workflows/common_coverage.yml

@@ -21,15 +21,45 @@ jobs:
       - uses: android-actions/setup-android@v3
       - name: Configure gradle...
         run: mkdir -p ~/.gradle && echo "org.gradle.daemon=false\nignoreGitVersion=true" >> ~/.gradle/gradle.properties
+      - name: Enable KVM group perms
+        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
       - uses: KengoTODA/actions-setup-docker-compose@v1
         with:
           version: "2.23.3"
       - name: run selfoss
         run: |
           docker compose -f .gitea/workflows/assets/docker-compose.yml up -d
-      - name: coverage
-        run: |
-          ./gradlew androidApp:connectedAndroidTest
+
+      - name: AVD cache
+        uses: actions/cache@v4
+        id: avd-cache
+        with:
+          path: |
+            ~/.android/avd/*
+            ~/.android/adb*
+          key: avd-35
+
+      - 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: 35
+          force-avd-creation: false
+          emulator-options: -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: false
+          script: echo "Generated AVD snapshot for caching."
+
+      - name: run tests
+        uses: reactivecircus/android-emulator-runner@v2
+        with:
+          api-level: 35
+          force-avd-creation: false
+          emulator-options: -no-snapshot-save -no-window -gpu swiftshader_indirect -noaudio -no-boot-anim -camera-back none
+          disable-animations: true
+          script: ./gradlew androidApp:connectedAndroidTest
       - uses: actions/upload-artifact@v3
         with:
           name: coverage-espresso