/**

     * Test chat activity generator.

     */

    public function test_export_generator(): void {

        $this->resetAfterTest();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $chat = $generator->create_module('chat', ['course' => $course]);

        $modinfo = get_fast_modinfo($course);

        $this->assertCount(1, $modinfo->get_cms());

    }