+ /**
+ * Test get_non_respondents from an anonymous feedback.
+ */
+ public function test_get_non_respondents_from_anonymous_feedback() {
+ $this->setUser($this->student);
+ $this->expectException('moodle_exception');
+ $this->expectExceptionMessage(get_string('anonymous', 'feedback'));
+ mod_feedback_external::get_non_respondents($this->feedback->id);
+ }
+