test: s3 fix

tests/env.sh

@@ -123,7 +123,7 @@ source_config_file() {
     if [ -r tests/.env ]; then
       source tests/.env
     else
-      echo "Warning: no .env file found in tests folder" > /dev/stderr
+      echo "Warning: no .env file found in tests folder" >&2
     fi
   else
     # shellcheck source=./tests/.env.default

tests/versity.sh

@@ -218,7 +218,7 @@ run_versity_app() {
   if [[ $IAM_TYPE != "s3" ]]; then
     return 0
   fi
-  if bucket_exists "$USERS_BUCKET"; then
+  if bucket_exists "$USERS_BUCKET" >/dev/null; then
     return 0
   fi
   if ! create_bucket "s3api" "$USERS_BUCKET"; then