test: Fix _asset config test

Author: sman591

test/controllers/manage/configs_controller_test.rb

@@ -126,7 +126,7 @@ class Manage::ConfigsControllerTest < ActionController::TestCase
       HackathonConfig["logo_asset"] = ''
       patch :update, params: { id: "logo_asset", hackathon_config: { logo_asset: "test" } }
       assert_equal '', HackathonConfig["logo_asset"]
-      assert_redirected_to edit_manage_config_path("logo_asset")
+      assert_template :edit
     end
 
     should "update config CSS variables when custom_css is blank" do