Merge pull request #933 from SamirMulani/kernel-cmd-arg

op-test: Add delay after updating kernel cmdline before HMC immediate  reboot

Author: PraveenPenguin

common/OpTestInstallUtil.py

@@ -463,6 +463,7 @@ def update_kernel_cmdline(self, distro, args="", remove_args="", reboot=True,
                     print(("Failed to update kernel commandline - %s: %s" %
                            (Err.command, Err.output)))
                     return False
+        time.sleep(60)
         if reboot and (req_args or req_remove_args):
             # Reboot the host for the kernel command to reflect
             if reboot_cmd: