src/test/java/com/example/demo/DemoApplicationTests.java

@@ -0,0 +1,15 @@
+package com.example.demo;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.TestPropertySource;
+
+@SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
+@TestPropertySource(properties = {"spring.main.allow-bean-definition-overriding=true"})
+class DemoApplicationTests {
+
+    @Test
+    void contextLoads() {
+        // Smoke test: verify Spring context loads successfully
+    }
+}