bug fix

src/test/resources/config/application.yml

@@ -67,6 +67,8 @@ spring:
       uris: http://localhost:29200
   mail:
     host: localhost
+    username: ${MAIL_USERNAME}
+    password: ${MAIL_PASSWORD}
   main:
     allow-bean-definition-overriding: true
     allow-circular-references: true