refactor (readonly for static objects in tests and file-scoped namespaces

SchengenVisaApi/ApplicationLayer/Services/Users/Models/UserModel.cs

@@ -1,16 +1,15 @@
 using System.ComponentModel.DataAnnotations;
 using Domains;
 
-namespace ApplicationLayer.Services.Users.Models
-{
-    public class UserModel
-    {
-        /// Unique Identifier of user
-        [Required]
-        public Guid Id { get; private set; } = Guid.NewGuid();
+namespace ApplicationLayer.Services.Users.Models;
 
-        [Required]
-        [MaxLength(ConfigurationConstraints.EmailLength)]
-        public string Email { get; set; } = null!;
-    }
-}
+public class UserModel
+{
+    /// Unique Identifier of user
+    [Required]
+    public Guid Id { get; private set; } = Guid.NewGuid();
+
+    [Required]
+    [MaxLength(ConfigurationConstraints.EmailLength)]
+    public string Email { get; set; } = null!;
+}