fixing condition to raise exception when URL is not reachable [Fixes #9]

Author: DheerajDang

rally_plugins/scenarios/kubernetes/services.py

@@ -239,7 +239,7 @@ def run(self, image, port, protocol, image_pull_policy='IfNotPresent',
                     if i < retries_total:
                         i += 1
                         commonutils.interruptable_sleep(sleep_time)
-                    else:
+                    if i == retries_total:
                         raise exceptions.RallyException(
                             message="Unable to get response "
                                     "from %(url)s: %(ex)s" % {