UPDATE: Update application.yaml

mooctest-site-server/src/main/resources/application.yaml

@@ -76,7 +76,7 @@ spring:
     profiles: pre 
     datasource:
         url: jdbc:mysql://localhost:3306/mooctest_main?useUnicode=yes&characterEncoding=UTF-8
-        username: root
+        username: mooctest
         password: secr3t!
 
 server: