Issue #3230507: Create build tests for case where site is using core recommended Composer project

tests/src/Build/AttendedUpdateTestBase.php

@@ -149,9 +149,9 @@ END;
    * Uses our already-installed dependencies to build a test site to update.
    */
   protected function createTestSite(): void {
-    // The project-level composer.json should live in workspace root directory,
-    // which may or may not be the same directory as the web root (i.e., where
-    // Drupal itself lives).
+    // The project-level composer.json lives in the workspace root directory,
+    // which may or may not be the same directory as the web root (where Drupal
+    // itself lives).
     $composer = $this->getWorkspaceDirectory() . DIRECTORY_SEPARATOR . 'composer.json';
     $this->writeJson($composer, $this->getInitialConfiguration());
     $this->runComposer('update');