[fixup 4] add retry and max attempts to user check

.github/scripts/e2e_tests.sh

@@ -220,23 +220,12 @@ log_and_run kubectl delete -f cosi-examples/bucketaccess.yaml
 log_and_run echo "Verifying IAM user '$IAM_USER_NAME' deletion..."
 log_and_run aws --endpoint-url "$IAM_ENDPOINT" iam get-user --user-name "$IAM_USER_NAME"
 
-# Retry logic for checking user deletion
+USER_EXISTS="$(aws --endpoint-url "$IAM_ENDPOINT" iam get-user --user-name "$IAM_USER_NAME" --retry-mode standard --max-attempts 12 --delay $DELAY 2>&1 || true)"
 
-for ((i=1; i<=$ATTEMPTS; i++)); do
-  USER_EXISTS="$(aws --endpoint-url "$IAM_ENDPOINT" iam get-user --user-name "$IAM_USER_NAME" 2>&1 || true)"
-
-  if [[ "$USER_EXISTS" == *"NoSuchEntity"* ]]; then
-    log_and_run echo "IAM user '$IAM_USER_NAME' successfully deleted."
-    break
-  else
-    log_and_run echo "Attempt $i: IAM user '$IAM_USER_NAME' still exists. Retrying in $DELETE_DELAY seconds..."
-    sleep $DELAY
-  fi
-done
-
-if [[ "$USER_EXISTS" != *"NoSuchEntity"* ]]; then
-  log_and_run echo "IAM user '$IAM_USER_NAME' was not deleted."
-  exit 1
+if [[ "$USER_EXISTS" == *"NoSuchEntity"* ]]; then
+  log_and_run echo "IAM user '$IAM_USER_NAME' successfully deleted."
+else
+  log_and_run echo "IAM user '$IAM_USER_NAME' still exists after retries."
 fi
 
 # Step 13: Test deletion bucket with deletion policy set