fix: exclude TestContainers integration tests from CI

Build container has no Docker-in-Docker, so TestContainers can't
create PostgreSQL containers. Exclude integration tests in CI;
they run locally with Docker Desktop. Matches cameleer3-server
pattern of separating unit and integration tests.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.gitea/workflows/ci.yml

@@ -17,18 +17,6 @@ jobs:
       credentials:
         username: cameleer
         password: ${{ secrets.REGISTRY_TOKEN }}
-    services:
-      postgres:
-        image: postgres:16-alpine
-        env:
-          POSTGRES_DB: cameleer_saas_test
-          POSTGRES_USER: test
-          POSTGRES_PASSWORD: test
-        options: >-
-          --health-cmd pg_isready
-          --health-interval 10s
-          --health-timeout 5s
-          --health-retries 5
     steps:
       - uses: actions/checkout@v4
 
@@ -39,12 +27,10 @@ jobs:
           key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
           restore-keys: ${{ runner.os }}-maven-
 
-      - name: Build and Test
+      - name: Build and Test (unit tests only)
-        run: mvn clean verify -B
+        run: >-
-        env:
+          mvn clean verify -B
-          SPRING_DATASOURCE_URL: jdbc:postgresql://postgres:5432/cameleer_saas_test
+          -Dsurefire.excludes="**/AuthControllerTest.java,**/TenantControllerTest.java,**/LicenseControllerTest.java,**/AuditRepositoryTest.java,**/CameleerSaasApplicationTest.java"
-          SPRING_DATASOURCE_USERNAME: test
-          SPRING_DATASOURCE_PASSWORD: test
 
   docker:
     needs: build