Make sure log level in development is debug

Laso make sure the tests are actually checking the log level of the app,
not the one we set in the test helper.

railties/lib/rails/application/configuration.rb

@@ -43,7 +43,7 @@ module Rails
         @session_store                           = nil
         @time_zone                               = "UTC"
         @beginning_of_week                       = :monday
-        @log_level                               = :info
+        @log_level                               = :debug
         @generators                              = app_generators
         @cache_store                             = [ :file_store, "#{root}/tmp/cache/" ]
         @railties_order                          = [:all]

railties/test/application/configuration_test.rb

@@ -1577,8 +1577,15 @@ module ApplicationTests
       assert_equal session_options, app.config.session_options
     end
 
-    test "config.log_level defaults to info" do
-      make_basic_app
+    test "config.log_level defaults to debug in development" do
+      app "development"
+
+      assert_equal Logger::DEBUG, Rails.logger.level
+    end
+
+    test "config.log_level default to info in production" do
+      app "production"
+
       assert_equal Logger::INFO, Rails.logger.level
     end
 

railties/test/isolation/abstract_unit.rb

@@ -206,7 +206,6 @@ module TestHelpers
         config.session_store :cookie_store, key: "_myapp_session"
         config.active_support.deprecation = :log
         config.action_controller.allow_forgery_protection = false
-        config.log_level = :info
       RUBY
     end