test: add tests

test/mv_web/live/global_settings_live_config_test.exs

@@ -39,9 +39,10 @@ defmodule MvWeb.GlobalSettingsLiveConfigTest do
       original_config = Application.get_env(:mv, :csv_import, [])
 
       try do
+        # Arrange: Set custom row limit to 500
         Application.put_env(:mv, :csv_import, max_rows: 500)
 
-        {:ok, view, _html} = live(conn, ~p"/settings")
+        {:ok, view, _html} = live(conn, ~p"/admin/import-export")
 
         # Generate CSV with 501 rows (exceeding custom limit of 500)
         header = "first_name;last_name;email;street;postal_code;city\n"
@@ -53,17 +54,17 @@ defmodule MvWeb.GlobalSettingsLiveConfigTest do
 
         large_csv = header <> Enum.join(rows)
 
-        # Simulate file upload using helper function
+        # Act: Upload CSV and submit form
         upload_csv_file(view, large_csv, "too_many_rows_custom.csv")
 
         view
         |> form("#csv-upload-form", %{})
         |> render_submit()
 
+        # Assert: Import should be rejected with error message
         html = render(view)
         # Business rule: import should be rejected when exceeding configured limit
-        assert html =~ "exceeds" or html =~ "maximum" or html =~ "limit" or
-                 html =~ "Failed to prepare"
+        assert html =~ "Failed to prepare CSV import"
       after
         # Restore original config
         Application.put_env(:mv, :csv_import, original_config)