public function deactivate_plugin( $slug )
	{
		$element = $this->search_plugin( $slug );
		if ( ! $element ) {
			throw new \Exception( sprintf(
				"The %s plugin is not installed.",
				$slug
			) );
		}
		$edit = $element->find( 'css', '.deactivate a' );
		$edit->click();
		sleep( 1 );
	}