build: add test.yml workflow

.github/workflows/test.yml

@@ -0,0 +1,44 @@
+name: Test
+
+on:
+  pull_request:
+  push:
+    branches:
+      - '**'
+    paths-ignore:
+      - 'README.md'
+      - '.github/FUNDING.yml'
+      - '.github/ISSUE_TEMPLATE/**'
+
+permissions:
+  contents: read
+
+jobs:
+  wrapper_validation:
+    name: Validate Gradle wrapper
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Run wrapper validation
+        uses: gradle/actions/wrapper-validation@v3
+
+  test:
+    name: Run tests
+    runs-on: ubuntu-24.04
+
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Set up JDK 21
+        uses: actions/setup-java@v4
+        with:
+          distribution: temurin
+          java-version: 21
+          cache: gradle
+
+      - name: Run tests
+        run: ./gradlew build --no-daemon