change 407 to 412

Change-Id: I1ca7e90ea7e6160e1cedf42c85c74237d631d90a
diff --git a/src/test/java/com/g9/g9backend/controller/UserControllerTest.java b/src/test/java/com/g9/g9backend/controller/UserControllerTest.java
index 76db7ee..bb768a0 100644
--- a/src/test/java/com/g9/g9backend/controller/UserControllerTest.java
+++ b/src/test/java/com/g9/g9backend/controller/UserControllerTest.java
@@ -113,7 +113,7 @@
         mockMvc.perform(post("/user/register")
                         .contentType(MediaType.APPLICATION_JSON)
                         .content(objectMapper.writeValueAsString(new RegisterDTO("hcy", "123", "6RCA7Y8J"))))
-                .andExpect(status().is(407));
+                .andExpect(status().is(412));
     }
 
     @Test