요청 관리 에러처리 수정

src/main/resources/templates/layout/api_tester_layout.html

@@ -18,7 +18,7 @@
 
 <!-- csrf -->
 <input id="csrf" type="hidden" th:name="${_csrf.parameterName}" th:value="${_csrf.token}">
-<div class="toast" role="alert" aria-live="assertive" aria-atomic="true" style="position: absolute; top: 0; right: 0;">
+<div class="toast" role="alert" aria-live="assertive" aria-atomic="true" style="position: absolute; top: 0; left: 0;">
     <div class="toast-header">
         <strong class="mr-auto">알림</strong>
         <button type="button" class="btn-close" data-bs-dismiss="toast" aria-label="Close"></button>