VIGHNESH SADAGOPAL
--- a/tests/src/Kernel/ReadinessValidation/StagedProjectsValidatorTest.php
+++ b/tests/src/Kernel/ReadinessValidation/StagedProjectsValidatorTest.php
      // If we are testing a fixture with existing stage directory then we
      // need to use a virtual file system directory, so we can create a
      // subdirectory using the stage ID after it is created below.
-      $vendor = vfsStream::newDirectory('au_stage');
-      $this->vfsRoot->addChild($vendor);
-      TestStage::$stagingRoot = $vendor->url();
+      $virtualfilesystem = vfsStream::newDirectory('au_stage');