Add check of spaces at EOL in stage-test

Change-Id: I5d4ebc92eded762475a7a33f6a61acf870c8413d
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/robot-systest/testsuite/hackfest_basic.robot b/robot-systest/testsuite/hackfest_basic.robot
index 092074a..ee079f9 100644
--- a/robot-systest/testsuite/hackfest_basic.robot
+++ b/robot-systest/testsuite/hackfest_basic.robot
@@ -79,7 +79,7 @@
 
 Test SSH Access
     Sleep   30s   Waiting ssh daemon to be up
-    Test SSH Connection   ${vnf_ip_addr}   ${username}   ${password}   ${privatekey} 
+    Test SSH Connection   ${vnf_ip_addr}   ${username}   ${password}   ${privatekey}
 
 Delete NS Instance Test
     [Tags]   cleanup