Fix in test_user_account.robot

Changes:
    - Updated the expected error message

Tested:
    - Ran and tested on BMC Environment

Change-Id: I55dee4e1e2bf05a58523431ef1077b8706e7ec5e
Signed-off-by: Vidya Kalasappanavar <Vidya.Kalasappanavar@ibm.com>
diff --git a/redfish/account_service/test_user_account.robot b/redfish/account_service/test_user_account.robot
index 7943e81..5ba7843 100644
--- a/redfish/account_service/test_user_account.robot
+++ b/redfish/account_service/test_user_account.robot
@@ -272,10 +272,10 @@
 
     # Make ${account_lockout_threshold} failed login attempts.
     Repeat Keyword  ${account_lockout_threshold} times
-    ...  Run Keyword And Expect Error  InvalidCredentialsError*  Redfish.Login  admin_user  abc123
+    ...  Run Keyword And Expect Error  *InvalidCredentialsError*  Redfish.Login  admin_user  abcd1234
 
     # Verify that legitimate login fails due to lockout.
-    Run Keyword And Expect Error  InvalidCredentialsError*
+    Run Keyword And Expect Error  *InvalidCredentialsError*
     ...  Redfish.Login  admin_user  TestPwd123
 
     # Wait for lockout duration to expire and then verify that login works.