Added delay for page to load completely

Change-Id: Ib12ff16cf92b2ce8bc88ce2ef321ecb209b8be40
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/gui_test/gui_header/test_gui_header.robot b/gui/gui_test/gui_header/test_gui_header.robot
index d4b9f83..9aedb63 100644
--- a/gui/gui_test/gui_header/test_gui_header.robot
+++ b/gui/gui_test/gui_header/test_gui_header.robot
@@ -48,3 +48,4 @@
     Click Element  ${xpath_root_button_menu}
     Click Element  ${xpath_logout_button}
     Wait Until Page Contains Element  ${xpath_login_button}  timeout=15s
+    Wait Until Element Is Not Visible   ${xpath_page_loading_progress_bar}  timeout=30