chore: run dl and transit integration tests only if env file is present

Author: ajay-malhotra1

test/integration/test_direct_link_v1.py

@@ -20,7 +20,7 @@
 try:
     load_dotenv(find_dotenv(filename=".dl_env"))
 except:
-    print('warning: no .dl_env file loaded')
+    raise unittest.SkipTest('no .dl_env file loaded, skipping...')
 
 class TestDirectLinkV1(unittest.TestCase):
     """ Test class for DirectLink sdk functions """

test/integration/test_transit_gateway_apis_v1.py

@@ -19,7 +19,7 @@
 try:
     load_dotenv(find_dotenv(filename=".transit_env"))
 except:
-    print('warning: no .transit_env file loaded')
+    raise unittest.SkipTest('no .transit_env file loaded, skipping...')
 
 class TestTransitGatewayApisV1(unittest.TestCase):
     """ Test class for Transit Gateway sdk functions """