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_multivdu.robot b/robot-systest/testsuite/hackfest_multivdu.robot
index 229e9e6..2344563 100644
--- a/robot-systest/testsuite/hackfest_multivdu.robot
+++ b/robot-systest/testsuite/hackfest_multivdu.robot
@@ -83,7 +83,7 @@
 Test SSH Access
     ${status}   ${message}=   Run Keyword And Ignore Error   Variable Should Exist   ${privatekey}
         Run Keyword If   "${status}" == "FAIL"   Set Global Variable   ${privatekey}   ${EMPTY}
-    Test SSH Connection   ${vnf_ip_addr}   ${username}   ${password}   ${privatekey} 
+    Test SSH Connection   ${vnf_ip_addr}   ${username}   ${password}   ${privatekey}
 
 Delete NS Instance Test
     [Tags]   cleanup