1 files changed, 6 insertions, 2 deletions
diff --git a/tester b/tester
index ac0de6a..6d368ce 100755
--- a/tester
+++ b/tester
@@ -379,8 +379,12 @@ class ReleaseApp(cliapp.Application):
                     for system in step['systems']:
                         # TODO: Get user for each command from test file
                         # TODO: Pass prefix, so systems can talk to each other
-                        s = self.systems[system]
-                        s.runcmd(['sh', '-c', cmd], 'root')
+                        try:
+                            s = self.systems[system]
+                        except KeyError:
+                            print "WARNING: System " + system + " not defined, ignoring test"
+                        else:
+                            s.runcmd(['sh', '-c', cmd], 'root')
 
     def clean_up(self):
         print('[Local] Clean up systems on remote hosts:')