test: Create AWS-based external account integration tests (#731)

diff --git a/scripts/setup_external_accounts.sh b/scripts/setup_external_accounts.sh
index 2fd04e2..ecc879b 100644
--- a/scripts/setup_external_accounts.sh
+++ b/scripts/setup_external_accounts.sh
@@ -110,3 +110,4 @@
 
 echo "OIDC audience: "$oidc_aud
 echo "AWS audience: "$aws_aud
+echo "AWS role: arn:aws:iam::$aws_account_id:role/$aws_role_name"