Domain\Student\StudentTest::test_complete_matter_failed PHP 메소드

    public function test_complete_matter_failed()
    {
        $student = factory(Student::class)->create();
        $classroom = factory(Classroom::class)->create();
        $matter = factory(Matter::class)->create();
        $this->assertTrue(!$student->completeMatter($classroom->id, $matter->id));
    }