fix StubTests

notus/Tests/UnitTests_Persistance/Stub_Tests.cs

@@ -12,15 +12,11 @@ namespace UnitTests_Persistance
     {
         PersistenceManager manager;
         Database result;
+
         [SetUp]
         public void Setup()
         {
             manager = new PersistenceManager(new Stub());
-            userList = new List<User>
-            {
-                new User("John", "john@example.com", "password"),
-                new User("Jane", "jane@example.com", "password")
-            };
             result = new Database();
         }