Fix test that assumed there were brackets around (n active) filters

Author: sevenseacat

test/cinder/controls_test.exs

@@ -303,8 +303,7 @@ defmodule Cinder.ControlsTest do
       html = render_header(%{active_filter_count: 2})
 
       assert html =~ "Filters"
-      assert html =~ "(2"
-      assert html =~ "active"
+      assert html =~ "2 active"
       assert html =~ "clear_all_filters"
       assert html =~ "Clear all"
       refute html =~ "invisible"