Update build.yml

Author: intisy

.github/workflows/build.yml

@@ -4,7 +4,45 @@ on:
     tags:
       - "*"
 jobs:
-  call-reusable-workflow:
+  test:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        include:
+          - os: ubuntu-latest
+            test-type: integration
+          - os: macos-latest
+            test-type: unit
+          - os: windows-latest
+            test-type: unit
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      
+      - name: Set up JDK 11
+        uses: actions/setup-java@v4
+        with:
+          java-version: '11'
+          distribution: 'temurin'
+      
+      - name: Grant execute permission for gradlew
+        run: chmod +x gradlew
+        if: matrix.os != 'windows-latest'
+      
+      # Unit tests only (no Docker required) - runs on all platforms
+      - name: Run unit tests
+        if: matrix.test-type == 'unit'
+        run: ./gradlew test --tests "io.github.intisy.docker.ModelTest" --tests "io.github.intisy.docker.DockerClientBuilderTest" --info
+        shell: bash
+      
+      # Integration tests (Docker required) - Linux only where Docker is pre-installed
+      - name: Run all tests (Linux with Docker)
+        if: matrix.test-type == 'integration'
+        run: ./gradlew test --info
+
+  build:
+    needs: test
     uses: intisy/workflows/.github/workflows/build.yml@main
     with:
       ref_name: ${{ github.ref_name }}