added source code

src/test/java/com/example/ExampleIT.java

@@ -0,0 +1,8 @@
+package com.example;
+
+import io.quarkus.test.junit.QuarkusIntegrationTest;
+
+@QuarkusIntegrationTest
+class ExampleIT extends ExampleTest {
+    // Execute the same tests but in packaged mode.
+}

src/test/java/com/example/ExampleTest.java

@@ -0,0 +1,20 @@
+package com.example;
+
+import io.quarkus.test.junit.QuarkusTest;
+import org.junit.jupiter.api.Test;
+
+import static io.restassured.RestAssured.given;
+import static org.hamcrest.CoreMatchers.is;
+
+@QuarkusTest
+class ExampleTest {
+    @Test
+    void testHelloEndpoint() {
+        given()
+          .when().get("/hello")
+          .then()
+             .statusCode(200)
+             .body(is("Hello from Quarkus REST"));
+    }
+
+}