private Map<String, ApiError> makeTestFeatureUpdateErrors(final Map<String, FeatureUpdate> updates, final Errors error) {
        final Map<String, ApiError> errors = new HashMap<>();
        for (Map.Entry<String, FeatureUpdate> entry : updates.entrySet()) {
            errors.put(entry.getKey(), new ApiError(error));
        }
        return errors;
    }
Test that we propagate exceptions encountered when fetching metadata.
clients/src/test/java/org/apache/kafka/clients/admin/KafkaAdminClientTest.java