Fix common code in line with standard coding expectation

Changes fix for the following:

Line has trailing whitespace (TrailingWhitespace)
Too many trailing blank lines (TrailingBlankLines)
Line is too long (exceeds 110 characters) (LineTooLong)

Change-Id: I4809ef67ae539f9f140fe0b2282620acc68dc8ba
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/openpower/service_account/test_service_user.robot b/openpower/service_account/test_service_user.robot
index a4929b3..78c5a5a 100644
--- a/openpower/service_account/test_service_user.robot
+++ b/openpower/service_account/test_service_user.robot
@@ -1,7 +1,7 @@
 *** Settings ***
 Documentation    This suite is to test service user functionality via Redfish.
 
-Resource         ../../lib/connection_client.robot 
+Resource         ../../lib/connection_client.robot
 Resource         ../../lib/openbmc_ffdc.robot
 Resource         ../../lib/bmc_redfish_utils.robot