Added Refresh GUI keyword for the page to load compeletly after refresh

Change-Id: I34e037dfd88e75e8a43e0f1c0259071e6f6520e5
Signed-off-by: Ashwini Chandrappa <Ashwini.Chandrappa777@ibm.com>
diff --git a/gui/lib/gui_resource.robot b/gui/lib/gui_resource.robot
index a7dcd9c..38266f4 100644
--- a/gui/lib/gui_resource.robot
+++ b/gui/lib/gui_resource.robot
@@ -120,3 +120,11 @@
     Click Element  ${xpath_profile_settings}
     Click Element At Coordinates  ${xpath_default_UTC}  0  0
     Click Element  ${xpath_profile_save_button}
+
+
+Refresh GUI
+    [Documentation]  Refresh GUI via refresh button in header.
+
+    Click Element  ${xpath_refresh_button}
+    # Added delay for page to load fully after refresh.
+    Sleep  5s