core: Prevent code comment to be run as a doc test
@@ -104,7 +104,7 @@ pub struct ElasticDrainConfig {
/// An slog `Drain` for logging to Elasticsearch.
///
/// Writes logs to Elasticsearch using the following format:
-/// ```
+/// ```ignore
/// {
/// "_index": "subgraph-logs"
/// "_type": "log",
