Add pytest markers for golden path tests and update test case

Author: Vamshi-Microsoft

content-gen/tests/e2e-test/pytest.ini

@@ -4,3 +4,5 @@ log_cli_level = INFO
 log_file = logs/tests.log
 log_file_level = INFO
 addopts = -p no:warnings
+markers =
+    gp: Golden Path tests

content-gen/tests/e2e-test/tests/test_content_gen_gp_tc.py

@@ -2,13 +2,15 @@
 import logging
 import time
 
+import pytest
+
 from pages.HomePage import HomePage
 from config.constants import URL
 from tests.test_utils import log_test_summary, log_test_failure
 
 logger = logging.getLogger(__name__)
 
-
+@pytest.mark.gp
 def test_validate_gp(login_logout, request):
     """
     Test case to validate content generation golden path flow for two quick links.