Fix $package_root to accommodate new class path

Author: danielbachhuber

src/WP_CLI/ScaffoldPackageCommand.php

@@ -85,7 +85,7 @@ public function package( $args, $assoc_args ) {
 
 		$force = Utils\get_flag_value( $assoc_args, 'force' );
 
-		$package_root = dirname( dirname( __FILE__ ) );
+		$package_root = dirname( dirname( dirname( __FILE__ ) ) );
 		$template_path = $package_root . '/templates/';
 
 		$files_written = $this->create_files( array(
@@ -201,7 +201,7 @@ public function package_readme( $args, $assoc_args ) {
 
 		$force = Utils\get_flag_value( $assoc_args, 'force' );
 
-		$package_root = dirname( dirname( __FILE__ ) );
+		$package_root = dirname( dirname( dirname( __FILE__ ) ) );
 		$template_path = $package_root . '/templates/';
 
 		$bits = explode( '/', $composer_obj['name'] );
@@ -474,7 +474,7 @@ public function package_tests( $args, $assoc_args ) {
 		}
 
 		$wp_cli_root = WP_CLI_ROOT;
-		$package_root = dirname( dirname( __FILE__ ) );
+		$package_root = dirname( dirname( dirname( __FILE__ ) ) );
 		$copy_source = array(
 			$wp_cli_root => array(
 				'features/bootstrap/FeatureContext.php'       => $bootstrap_dir,