More runner-user purging

toolset/benchmark/framework_test.py

@@ -187,12 +187,9 @@ class FrameworkTest:
                 self.benchmarker.threads,
                 max(self.benchmarker.concurrency_levels)))
 
-    # Always ensure that IROOT belongs to the runner_user
+    # Always ensure that IROOT exists
     if not os.path.exists(self.install_root):
       os.mkdir(self.install_root)
-    chown = "sudo chown -R %s:%s %s" % (self.benchmarker.runner_user,
-      self.benchmarker.runner_user, os.path.join(self.fwroot, self.install_root))
-    subprocess.check_call(chown, shell=True, cwd=self.fwroot, executable='/bin/bash')
 
     # Run the module start inside parent of TROOT
     #  - we use the parent as a historical accident, a number of tests