Fix for calico/node systests' execution path.

Change-Id: I70b90cb11092fffd693dac137c12fcbda4321d6a
diff --git a/src/com/mirantis/mcp/Calico.groovy b/src/com/mirantis/mcp/Calico.groovy
index df03742..b667a42 100644
--- a/src/com/mirantis/mcp/Calico.groovy
+++ b/src/com/mirantis/mcp/Calico.groovy
@@ -509,7 +509,7 @@
       """
       // execute systests against calico/node
       sh """
-        cd calico_home
+        cd calico_home/calico_node
         NODE_CONTAINER_NAME=${nodeImage} make st
       """
     } catch (Exception e) {