Ah right, and here's the config we intend to use for these context modified tests :)

This commit sponsored by Xavier Gulliot.  Thanks Xavier!

mediagoblin/tests/appconfig_context_modified.ini

@@ -0,0 +1,26 @@
+[mediagoblin]
+direct_remote_path = /test_static/
+email_sender_address = "notice@mediagoblin.example.org"
+email_debug_mode = true
+
+# TODO: Switch to using an in-memory database
+sql_engine = "sqlite:///%(here)s/test_user_dev/mediagoblin.db"
+
+# Celery shouldn't be set up by the application as it's setup via
+# mediagoblin.init.celery.from_celery
+celery_setup_elsewhere = true
+
+[storage:publicstore]
+base_dir = %(here)s/test_user_dev/media/public
+base_url = /mgoblin_media/
+
+[storage:queuestore]
+base_dir = %(here)s/test_user_dev/media/queue
+
+[celery]
+CELERY_ALWAYS_EAGER = true
+CELERY_RESULT_DBURI = "sqlite:///%(here)s/test_user_dev/celery.db"
+BROKER_HOST = "sqlite:///%(here)s/test_user_dev/kombu.db"
+
+[plugins]
+[[mediagoblin.tests.testplugins.modify_context]]