Add tests to cache_template_loading when an engine loaded Action View

before the application

This test is a regression test to
b068e20b35797aa6deaa377a48c990759734f515 that changed the load order of
Action View initializers.

railties/test/application/configuration_test.rb

@@ -527,6 +527,20 @@ def index
       assert ActionView::Resolver.caching?
     end
 
+    test "config.action_view.cache_template_loading with cache_classes in an environment" do
+      build_app(initializers: true)
+      add_to_env_config "development", "config.cache_classes = false"
+
+      # These requires are to emulate an engine loading Action View before the application
+      require 'action_view'
+      require 'action_view/railtie'
+      require 'action_view/base'
+
+      require "#{app_path}/config/environment"
+
+      assert_equal false, ActionView::Resolver.caching?
+    end
+
     test "config.action_dispatch.show_exceptions is sent in env" do
       make_basic_app do |app|
         app.config.action_dispatch.show_exceptions = true