Docs: Capitalize "ID", when referring to a user ID, term ID, etc. in a more consistent way.

Follow-up to [48104]

See #49572.

git-svn-id: https://develop.svn.wordpress.org/trunk@48200 602fd350-edb4-49c9-b593-d223f7449a82

tests/phpunit/tests/multisite/site.php

@@ -924,7 +924,7 @@ if ( is_multisite() ) :
 		}
 
 		/**
-		 * Tests returning an address for a given valid id.
+		 * Tests returning an address for a given valid ID.
 		 */
 		function test_get_blogaddress_by_id_with_valid_id() {
 			$blogaddress = get_blogaddress_by_id( 1 );

tests/phpunit/tests/post/listPages.php

@@ -5,42 +5,42 @@
  */
 class Tests_List_Pages extends WP_UnitTestCase {
 	/**
-	 * Editor user id.
+	 * Editor user ID.
 	 *
 	 * @var int
 	 */
 	public static $editor;
 
 	/**
-	 * Author user id.
+	 * Author user ID.
 	 *
 	 * @var int
 	 */
 	public static $author;
 
 	/**
-	 * Parent page id.
+	 * Parent page ID.
 	 *
 	 * @var int
 	 */
 	public static $parent_1;
 
 	/**
-	 * Parent page id.
+	 * Parent page ID.
 	 *
 	 * @var int
 	 */
 	public static $parent_2;
 
 	/**
-	 * Parent page id.
+	 * Parent page ID.
 	 *
 	 * @var int
 	 */
 	public static $parent_3;
 
 	/**
-	 * Child page ids.
+	 * Child page IDs.
 	 *
 	 * @var array
 	 */