Build/Test Tools: Don't hardcode the directory name of the repo

When Travis builds the directory, it was looking for a hardcoded `wordpress-develop` directory. If the repo is sitting in another directory, the memcache install will fail. This allows a dynamic path for the directory.

Fixes #48444.
Props pento, whyisjake.

Built from https://develop.svn.wordpress.org/trunk@46605


git-svn-id: http://core.svn.wordpress.org/trunk@46402 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/blocks/latest-comments.php

@@ -41,8 +41,8 @@ function wp_latest_comments_draft_or_post_title( $post = 0 ) {
  * @return string Returns the post content with latest comments added.
  */
 function render_block_core_latest_comments( $attributes = array() ) {
-	$comments = get_comments(
 	// This filter is documented in wp-includes/widgets/class-wp-widget-recent-comments.php.
+	$comments = get_comments(
 		apply_filters(
 			'widget_comments_args',
 			array(

wp-includes/version.php

@@ -13,7 +13,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '5.4-alpha-46604';
+$wp_version = '5.4-alpha-46605';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.