chore: Add region skip condition and retry for http test (#2455)

* Add skip and retry for http test

* Black reformatting

Author: qingchm

integration/single/test_function_with_http_api_and_auth.py

@@ -1,11 +1,27 @@
+import logging
+from unittest.case import skipIf
+
+from tenacity import stop_after_attempt, retry_if_exception_type, after_log, wait_exponential, retry, wait_random
+
 from integration.helpers.base_test import BaseTest
+from integration.helpers.resource import current_region_does_not_support
+
+LOG = logging.getLogger(__name__)
 
 
+@skipIf(current_region_does_not_support(["HttpApi"]), "HttpApi is not supported in this testing region")
 class TestFunctionWithHttpApiAndAuth(BaseTest):
     """
     AWS::Lambda::Function tests with http api events and auth
     """
 
+    @retry(
+        stop=stop_after_attempt(5),
+        wait=wait_exponential(multiplier=1, min=4, max=10) + wait_random(0, 1),
+        retry=retry_if_exception_type(AssertionError),
+        after=after_log(LOG, logging.WARNING),
+        reraise=True,
+    )
     def test_function_with_http_api_and_auth(self):
         # If the request is not signed, which none of the below are, IAM will respond with a "Forbidden" message.
         # We are not testing that IAM auth works here, we are simply testing if it was applied.