message: Fix nodeos tests to work on arch linux
diff: @@ -1769,7 +1769,8 @@ class Cluster(object):
  nodes=[]
  pgrepOpts="-fl"
  - if platform.linux_distribution()[0] == "Ubuntu" or platform.linux_distribution()[0] == "LinuxMint" or platform.linux_distribution()[0] == "Fedora":
  + if platform.linux_distribution()[0] == "Ubuntu" or platform.linux_distribution()[0] == "LinuxMint" or platform.linux_distribution()[0] == "Fedora" or\
  + platform.linux_distribution()[0] == "arch":
  pgrepOpts="-a"
  endTime=time.time()+timeout
  