Update XPATH and variable name for loading progress bar

Changes:
    - Update the variable name for the progress bar

Change-Id: I29ea21296c6b471230f6446b9db7d381bc4300fe
Signed-off-by: rramyasr-in <rramyasr@in.ibm.com>
diff --git a/gui/data/gui_variables.py b/gui/data/gui_variables.py
index 205e15c..da65903 100644
--- a/gui/data/gui_variables.py
+++ b/gui/data/gui_variables.py
@@ -76,7 +76,7 @@
     xpath_confirm_button = "//button[contains(text(),'Confirm')]"
     xpath_cancel_button = "//button[contains(text(),'Cancel')]"
     xpath_add_button = "//button[normalize-space(text())='Add']"
-    xpath_page_loading_progress_ba = "//*[@aria-label='Page loading progress bar']"
+    xpath_page_loading_progress_bar = "//*[@aria-label='Page loading progress bar']"
     # Reboot sub meanu
     xpath_reboot_bmc_heading = "//h1[text()='Reboot BMC']"
     xpath_reboot_bmc_button = "//button[contains(text(),'Reboot BMC')]"