smoke tests

.github/workflows/_smoke_test_lambda.yml

@@ -36,8 +36,8 @@ jobs:
 
       - name: Invoke Lambda and check for import errors
         run: |
-          sleep 2
-          response=$(curl -s -X POST \
+          response=$(curl -s --retry-connrefused --retry 15 --retry-delay 1 \
+            -X POST \
             http://localhost:9000/2015-03-31/functions/function/invocations \
             -H "Content-Type: application/json" \
             -d '{"Records":[{"body":"{}"}]}')