public function test_set_course() { $q = self::factory()->question->create(); $question = new \WeBWorK\Server\Question($q); $course = 'foo'; $question->set_course($course); $this->assertTrue($question->save()); $question2 = new \WeBWorK\Server\Question($q); $this->assertSame($course, $question2->get_course()); }