ci/test: init

.github/workflows/test.yaml

@@ -0,0 +1,24 @@
+name: Test
+
+on:
+  push:
+    branches: [ "master", "ci-testing" ]
+  workflow_dispatch:
+
+jobs:
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up ImageMagick
+        uses: mfinelli/setup-imagemagick@v6
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          java-version: '21'
+          cache: gradle
+      - name: Run tests on emulator
+        run: ./gradlew :pixel9api35DebugAndroidTest
+      - name: Compare screenshots to reference
+        run: ./compare-test-images.sh