EsqlActionBreakerIT fails in a number of different ways. This issue intends to be a place to capture such failures, so that they can be analysed and worked on separately. 
x-pack/plugin/esql/src/internalClusterTest/java/org/elasticsearch/xpack/esql/action/EsqlActionBreakerIT.java
public class EsqlActionBreakerIT extends EsqlActionIT {
    public static class InternalTransportSettingPlugin extends Plugin {
        @Override
        public List<Setting<?>> getSettings() {
            return List.of(IGNORE_DESERIALIZATION_ERRORS_SETTING);
        }
    }
    @Override
    protected Collection<Class<? extends Plugin>> nodePlugins() {
        List<Class<? extends Plugin>> plugins = new ArrayList<>(super.nodePlugins());
        plugins.add(InternalExchangePlugin.class);
        plugins.add(InternalTransportSettingPlugin.class);
        return plugins;
    }
    @Override
    protected Settings nodeSettings(int nodeOrdinal, Settings otherSettings) {
        return Settings.builder()