Setting default browser from chrome to firefox.

Reason for changing default:
    - Default browser is set to firefox in all
      other places.
    - Also currently CT flow is working only with firefox.

Resolves openbmc/openbmc-test-automation#1386

Change-Id: Idf0346369e3aa95b8bf0906382542be90fc29a41
Signed-off-by: Rahul Maheshwari <rahulmaheshwari@in.ibm.com>
diff --git a/gui/obmc_gui/lib/resource.robot b/gui/obmc_gui/lib/resource.robot
index b0e9fe3..52717cf 100644
--- a/gui/obmc_gui/lib/resource.robot
+++ b/gui/obmc_gui/lib/resource.robot
@@ -203,9 +203,10 @@
     Print Dashes  0  100  1  =
     LogOut OpenBMC GUI
 
+
 Open Browser With URL
     [Documentation]  Open browser with specified URL and returns browser id.
-    [Arguments]  ${URL}  ${browser}=gc
+    [Arguments]  ${URL}  ${browser}=ff
 
     # Description of argument(s):
     # URL      Openbmc GUI URL to be open
@@ -216,6 +217,7 @@
     ${browser_ID}=  Open Browser  ${URL}  ${browser}
     [Return]  ${browser_ID}
 
+
 Model Server Power Click Button
     [Documentation]  Click main server power in the header section.
     [Arguments]  ${div_element}  ${anchor_element}