add driver test to gh workflow

Author: morford-brex

.github/workflows/drivers-tests.yml

@@ -225,6 +225,7 @@ jobs:
         snowflake
         snowflake-encrypted-pk
         snowflake-export-bucket-s3
+        snowflake-export-bucket-s3-iam-roles
         snowflake-export-bucket-s3-prefix
         snowflake-export-bucket-azure
         snowflake-export-bucket-azure-prefix
@@ -259,6 +260,7 @@ jobs:
           - snowflake
           - snowflake-encrypted-pk
           - snowflake-export-bucket-s3
+          - snowflake-export-bucket-s3-iam-roles
           - snowflake-export-bucket-s3-prefix
           - snowflake-export-bucket-azure
           - snowflake-export-bucket-azure-prefix