FIX: missing bean in test

Signed-off-by: George Chen <qchea@amazon.com>

data-prepper-core/src/test/java/org/opensearch/dataprepper/parser/PipelineTransformerTests.java

@@ -115,6 +115,7 @@ void setUp() {
 
         coreContext.scan(DefaultPluginFactory.class.getPackage().getName());
         coreContext.registerBean(PluginErrorCollector.class, () -> pluginErrorCollector);
+        coreContext.registerBean(PluginErrorsConsolidator.class, () -> pluginErrorsConsolidator);
         coreContext.registerBean(DataPrepperConfiguration.class, () -> dataPrepperConfiguration);
         coreContext.registerBean(PipelinesDataFlowModel.class, () -> pipelinesDataFlowModel);
         coreContext.refresh();