adds fix for redhat to disable ntp restart due to dhcp ntp server updates

Author: bmjen

spec/spec_helper_acceptance.rb

@@ -25,9 +25,12 @@
       on host, puppet('module install puppetlabs-stdlib'), {:acceptable_exit_codes => [0, 1]}
     end
 
+    #Need to disable update of ntp servers from DHCP, as subsequent restart of ntp causes test failures
     if fact('osfamily') == 'Debian'
       shell('[[ -f /etc/dhcp/dhclient-exit-hooks.d/ntp ]] && rm /etc/dhcp/dhcp-exit-hooks.d/ntp', { :acceptable_exit_codes => [0, 1] })
       shell('[[ -f /etc/dhcp3/dhclient-exit-hooks.d/ntp ]] && rm /etc/dhcp3/dhcp-exit-hooks.d/ntp', { :acceptable_exit_codes => [0, 1] })
+    elsif fact('osfamily') == 'RedHat'
+      shell('echo "PEERNTP=no" >> /etc/sysconfig/network', { :acceptable_exit_codes => [0, 1]})
     end
   end
 end