Setup unit tests and implements test for the token limit and trivial tests for userRepository

backend/src/main/java/ovh/herisson/Clyde/Services/UserService.java

@@ -16,7 +16,6 @@ public class UserService {
         this.userRepo = userRepo;
     }
 
-
     public User getUser(String identifier){
         if (identifier == null) return null;
         try {

backend/src/main/resources/application.properties

@@ -1,2 +1,3 @@
 spring.jpa.hibernate.ddl-auto=create-drop
 spring.jpa.database-platform=org.hibernate.dialect.PostgreSQLDialect
+spring.sql.init.mode=always