add default smartui server address

Author: parthlambdatest

utils/lambdatest_sdk_utils/constants.py

@@ -1,8 +1,4 @@
 import os
 
 def get_smart_ui_server_address():
-    if not os.getenv('SMARTUI_SERVER_ADDRESS'):
-        raise Exception('SmartUI server address not found')
-    return os.getenv('SMARTUI_SERVER_ADDRESS')
-
-
+    return os.getenv('SMARTUI_SERVER_ADDRESS', 'http://localhost:49152')