add( 'config', 'Invalid Config' ); $testee = new \AC_Yoast_SEO_ACF_Content_Analysis(); $testee->boot(); $this->assertNotSame( 'Invalid Config', $registry->get( 'config' ) ); $this->assertInstanceOf( \Yoast_ACF_Analysis_Configuration::class, $registry->get( 'config' ) ); } }