Domain\Classroom\Http\ClassroomControllerTest::test_index_returns_classrooms PHP Method

    public function test_index_returns_classrooms()
    {
        factory(Classroom::class)->create();
        $controller = App::make(ClassroomController::class);
        $classrooms = $controller->index();
        $this->assertInstanceOf(LengthAwarePaginator::class, $classrooms);
        $this->assertInstanceOf(Classroom::class, $classrooms->first());
    }