diff --git a/backend/demo/src/main/java/com/example/demo/DemoApplication.java b/backend/demo/src/main/java/com/example/demo/DemoApplication.java
index 094d95b..0a7a729 100644
--- a/backend/demo/src/main/java/com/example/demo/DemoApplication.java
+++ b/backend/demo/src/main/java/com/example/demo/DemoApplication.java
@@ -7,6 +7,7 @@
 public class DemoApplication {
 
     public static void main(String[] args) {
+        System.out.println("DemoApplication.main");
         SpringApplication.run(DemoApplication.class, args);
     }
 
diff --git a/backend/demo/src/test/java/com/example/demo/DemoApplicationTest.java b/backend/demo/src/test/java/com/example/demo/DemoApplicationTest.java
new file mode 100644
index 0000000..6fd8adc
--- /dev/null
+++ b/backend/demo/src/test/java/com/example/demo/DemoApplicationTest.java
@@ -0,0 +1,17 @@
+package com.example.demo;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+class DemoApplicationTest {
+
+    @DisplayName("dsafsdfs")
+    @Test
+    void dsafsaf() {
+        // given
+        assertThat(1).isEqualTo(2);
+    }
+
+}