Controller integration testing in v3.8

Hi, in earlier versions of cakePHP I would often write a test function like:

    public function testIndex()
    {
        $this->setAdminUser();
        $this->get('/admin/customers');
        $this->assertResponseOk();

        $this->get('/admin/customers');
        $this->assertResponseOk();

    }

However in v3.8 I now get a duplicate route exception. Anyone have any ideas on how to fix this?

Additional: This seems to be related to a custom Plugin I am loading - if I disable loading of the plugin in Application.php the issue goes away.

If I figure this out I will update this question with the solution…


Further update: It seems I am running in this issue: https://github.com/cakephp/cakephp/issues/12130

Worth mentioning this was a new application setup using v3.8 of CakePHP from the outset - so Application class was provided by default.

I ended up removing the names from the routes in my plugin. Not ideal but I spent too long trying to figure this out… any suggestions would be most helpful!