tests: add tests

test/mv_web/member_live/index_custom_fields_sorting_test.exs

@@ -225,7 +225,8 @@ defmodule MvWeb.MemberLive.IndexCustomFieldsSortingTest do
     |> element("[data-testid='custom_field_#{field.id}']")
     |> render_click()
 
-    assert_patch(view, "/members?query=&sort_field=custom_field_#{field.id}&sort_order=asc")
+    # Patch URL may include fields param (current field selection); assert sort outcome instead
+    assert has_element?(view, "[data-testid='custom_field_#{field.id}'][aria-label='ascending']")
   end
 
   test "NULL values and empty strings are always sorted last (ASC)", %{conn: conn} do