Test : CI/CD Test를 위한 코드 수정

Author: 6suhyeon

HalfFifty_BE/src/main/java/HalfFifty/HalfFifty_BE/HealthCheck.java

@@ -8,6 +8,6 @@ public class HealthCheck {
 
     @GetMapping("/")
     public String health() {
-        return "server on!!!!!";
+        return "server on!";
     }
 }