fix: change creation of admin user

test/membership/member_test.exs

@@ -73,6 +73,26 @@ defmodule Mv.Membership.MemberTest do
     end
   end
 
+  describe "Authorization" do
+    @valid_attrs %{
+      first_name: "John",
+      last_name: "Doe",
+      email: "john@example.com"
+    }
+
+    test "user without role cannot create member" do
+      # Create a user without a role
+      user = Mv.Fixtures.user_fixture()
+      # Ensure user has no role (nil role)
+      user_without_role = %{user | role: nil}
+
+      # Attempt to create a member with user without role as actor
+      # This should fail with Ash.Error.Forbidden containing a Policy error
+      assert {:error, %Ash.Error.Forbidden{errors: [%Ash.Error.Forbidden.Policy{}]}} =
+               Membership.create_member(@valid_attrs, actor: user_without_role)
+    end
+  end
+
   # Helper function for error evaluation
   defp error_message(errors, field) do
     errors