Add default website URL for tests

backend/src/main/java/com/openisle/config/SecurityConfig.java

@@ -41,7 +41,7 @@ public class SecurityConfig {
     private final UserRepository userRepository;
     private final AccessDeniedHandler customAccessDeniedHandler;
     private final UserVisitService userVisitService;
-    @Value("${app.website-url}")
+    @Value("${app.website-url:https://www.open-isle.com}")
     private String websiteUrl;
 
     @Bean

backend/src/main/java/com/openisle/controller/AdminUserController.java

@@ -14,7 +14,7 @@ import org.springframework.web.bind.annotation.*;
 public class AdminUserController {
     private final UserRepository userRepository;
     private final EmailSender emailSender;
-    @Value("${app.website-url}")
+    @Value("${app.website-url:https://www.open-isle.com}")
     private String websiteUrl;
 
     @PostMapping("/{id}/approve")

backend/src/main/java/com/openisle/service/NotificationService.java

@@ -32,7 +32,7 @@ public class NotificationService {
     private final ReactionRepository reactionRepository;
     private final Executor notificationExecutor;
 
-    @Value("${app.website-url}")
+    @Value("${app.website-url:https://www.open-isle.com}")
     private String websiteUrl;
 
     private static final Pattern MENTION_PATTERN = Pattern.compile("@\\[([^\\]]+)\\]");

backend/src/main/java/com/openisle/service/ReactionService.java

@@ -27,7 +27,7 @@ public class ReactionService {
     private final NotificationService notificationService;
     private final EmailSender emailSender;
 
-    @Value("${app.website-url}")
+    @Value("${app.website-url:https://www.open-isle.com}")
     private String websiteUrl;
 
     @Transactional