diff --git a/Documentmanager.Core/Domain/Models/Organizations/Organization.cs b/Documentmanager.Core/Domain/Models/Organizations/Organization.cs
index bf0051c..2208bc8 100644
--- a/Documentmanager.Core/Domain/Models/Organizations/Organization.cs
+++ b/Documentmanager.Core/Domain/Models/Organizations/Organization.cs
@@ -21,7 +21,7 @@ public Organization(string name, int userId)
         public int CreatedBy { get; private set; }
         public int ModifiedBy { get; private set; }
         public DateTime DateCreated { get; private set; }
-        public DateTime DateModified { get; private set; }  
+        public DateTime DateModified { get; private set; } 
 
         public void UpdateName(UpdateOrganizationDto dto, int userId)
         {
diff --git a/Documentmanager.Core/Domain/Services/test/test.cs b/Documentmanager.Core/Domain/Services/test/test.cs
new file mode 100644
index 0000000..0599850
--- /dev/null
+++ b/Documentmanager.Core/Domain/Services/test/test.cs
@@ -0,0 +1,85 @@
+// using AutoMapper;
+// using Documentmanager.Core.Domain.Dtos.Organizations;
+// using Documentmanager.Core.Domain.Dtos.Users;
+// using Documentmanager.Core.Domain.Models.Common;
+// using Documentmanager.Core.Domain.Models.Users;
+// using Documentmanager.Core.Domain.Repositories.Interfaces;
+
+// namespace Documentmanager.Core.Domain.Services.Users
+// {
+//     public class TestService
+//     {
+//         public int LengthOfLongestSubstring(string s)
+//         {
+//             int n = s.Length;
+//             int res = 0;
+//             HashSet<char> set = new HashSet<char>();
+//             for (int i = 0, j = 0; i < n; i++)
+//             {
+//                 while (j < n && !set.Contains(s[j]))
+//                 {
+//                     set.Add(s[j]);
+//                     j++;
+//                 }
+//                 res = Math.Max(res, j - i);
+//                 set.Remove(s[i]);
+//             }
+//             return res;
+//         }
+//         public int CharacterReplacement(string s, int k)
+//     {
+//         var res = 0;
+//         var found = new Dictionary<char,int>();
+//         var r = 0;
+//         for (int l = 0; l < s.Length; l ++) {
+//             while ( r < s.Length){
+//                 if (!isValid(r+1, found.Values.Max(),k)){
+//                     break;
+//                 }
+//                 if (!found.ContainsKey(s[r]))
+//                 {
+//                     found[s[r]] = 1;
+//                 } else {
+//                     found[s[r]]++;
+//                 }
+//                 r++;
+//             }
+//             res = Math.Max(res, r+1);
+//             found[s[l]]--;
+//         }
+//         return res;
+//     }
+
+//         public int LeastInterval(char[] tasks, int n) {
+//         var dict = new Dictionary<char, int>();
+//         var queue = new Queue<int[]>();
+//         var pq = new PriorityQueue<int,int>();
+//         foreach(var c in tasks){
+//             if (!dict.ContainsKey(c)){
+//                 dict[c] = 1;
+//             } else {
+//                 dict[c]++;
+//             }
+//         }
+//         foreach (var kvp in dict) {
+//             pq.Enqueue(kvp.Value, -kvp.Value);
+//         }
+//         var time = 0;
+//         while (pq.Count > 0 || queue.Count > 0){
+//             time++;
+//             var task = pq.Dequeue();
+//             var taskWithNextTime = new int[]{task - 1, time+n};
+//             queue.Enqueue(taskWithNextTime);
+//             var peek = queue.Peek();
+//             if (peek[1] == time) {
+//                 var t = queue.Dequeue();
+//                 pq.Enqueue(t, -t);
+//             }
+//         }
+//         return time;
+//     }
+//         private bool isValid(int total, int mostUsed, int k) {
+//             return (total - mostUsed) <= k;
+//         }
+//     }
+// }
diff --git a/Documentmanager.Core/Domain/Services/test/test1.cs b/Documentmanager.Core/Domain/Services/test/test1.cs
new file mode 100644
index 0000000..e69de29
diff --git a/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.dll b/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.dll
index 9ddf5f0..d8e5bde 100644
Binary files a/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.dll and b/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.dll differ
diff --git a/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.pdb b/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.pdb
index d9e0254..18469a4 100644
Binary files a/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.pdb and b/Documentmanager.Core/bin/Debug/net6.0/Documentmanager.Core.pdb differ