diff --git a/enrol/meta/tests/plugin_test.php b/enrol/meta/tests/plugin_test.php
index c9efef159e8..772c8d08c20 100644
--- a/enrol/meta/tests/plugin_test.php
+++ b/enrol/meta/tests/plugin_test.php
@@ -532,6 +532,68 @@ class enrol_meta_plugin_testcase extends advanced_testcase {
         $this->assertFalse(is_enrolled(context_course::instance($course3->id), $user4, '', true));
     }
 
+    /**
+     * Enrol users from another course into a course where one of the members is already enrolled
+     * and is a member of the same group.
+     */
+    public function test_add_to_group_with_member() {
+        global $CFG, $DB;
+
+        require_once($CFG->dirroot.'/group/lib.php');
+
+        $this->resetAfterTest(true);
+
+        $metalplugin = enrol_get_plugin('meta');
+
+        $user1 = $this->getDataGenerator()->create_user();
+        $user2 = $this->getDataGenerator()->create_user();
+
+        $course1 = $this->getDataGenerator()->create_course();
+        $course2 = $this->getDataGenerator()->create_course();
+        $manualenrol1 = $DB->get_record('enrol', array('courseid' => $course1->id, 'enrol' => 'manual'), '*', MUST_EXIST);
+        $manualenrol2 = $DB->get_record('enrol', array('courseid' => $course2->id, 'enrol' => 'manual'), '*', MUST_EXIST);
+
+        $student = $DB->get_record('role', array('shortname' => 'student'));
+
+        $groupid = groups_create_group((object)array('name' => 'Grp', 'courseid' => $course2->id));
+
+        $this->enable_plugin();
+        set_config('unenrolaction', ENROL_EXT_REMOVED_UNENROL, 'enrol_meta');
+
+        // Manually enrol user1 to course2 and add him to group.
+        // Manually enrol user2 to course2 but do not add him to the group.
+        enrol_get_plugin('manual')->enrol_user($manualenrol2, $user1->id, $student->id);
+        groups_add_member($groupid, $user1->id);
+        enrol_get_plugin('manual')->enrol_user($manualenrol2, $user2->id, $student->id);
+        $this->assertTrue(groups_is_member($groupid, $user1->id));
+        $this->assertFalse(groups_is_member($groupid, $user2->id));
+
+        // Add instance of meta enrolment in course2 linking to course1 and enrol both users in course1.
+        $metalplugin->add_instance($course2, array('customint1' => $course1->id, 'customint2' => $groupid));
+
+        enrol_get_plugin('manual')->enrol_user($manualenrol1, $user1->id, $student->id);
+        enrol_get_plugin('manual')->enrol_user($manualenrol1, $user2->id, $student->id);
+
+        // Both users now should be members of the group.
+        $this->assertTrue(groups_is_member($groupid, $user1->id));
+        $this->assertTrue(groups_is_member($groupid, $user2->id));
+
+        // Ununerol both users from course1.
+        enrol_get_plugin('manual')->unenrol_user($manualenrol1, $user1->id);
+        enrol_get_plugin('manual')->unenrol_user($manualenrol1, $user2->id);
+
+        // User1 should still be member of the group because he was added there manually. User2 should no longer be there.
+        $this->assertTrue(groups_is_member($groupid, $user1->id));
+        $this->assertFalse(groups_is_member($groupid, $user2->id));
+
+        // Assert that everything is the same after sync.
+        enrol_meta_sync();
+
+        $this->assertTrue(groups_is_member($groupid, $user1->id));
+        $this->assertFalse(groups_is_member($groupid, $user2->id));
+
+    }
+
     /**
      * Test user_enrolment_created event.
      */