Add mlbackend_python tests

Author: David Monllaó

base.yml

@@ -26,3 +26,7 @@ services:
     image: "selenium/standalone-firefox${MOODLE_DOCKER_SELENIUM_SUFFIX}:2.53.1"
     volumes:
       - "${MOODLE_DOCKER_WWWROOT}:/var/www/html:ro"
+  mlbackendpython:
+    image: "moodlehq/moodle-mlbackend-python:2.3.0-python3.7.5"
+    ports:
+      - "5000:5000"

config.docker-template.php

@@ -80,6 +80,11 @@
     define('TEST_ENROL_LDAP_BIND_DN', 'cn=admin,dc=openstack,dc=org');
     define('TEST_ENROL_LDAP_BIND_PW', 'password');
     define('TEST_ENROL_LDAP_DOMAIN', 'ou=Users,dc=openstack,dc=org');
+
+    define('TEST_MLBACKEND_PYTHON_HOST', 'mlbackendpython');
+    define('TEST_MLBACKEND_PYTHON_PORT', 5000);
+    define('TEST_MLBACKEND_PYTHON_USERNAME', 'default');
+    define('TEST_MLBACKEND_PYTHON_PASSWORD', 'sshhhh');
 }
 
 require_once(__DIR__ . '/lib/setup.php');