diff --git a/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/context/NBSceneBuffer.java b/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/context/NBSceneBuffer.java
index cb0a718a7b..92889db5ca 100644
--- a/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/context/NBSceneBuffer.java
+++ b/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/context/NBSceneBuffer.java
@@ -94,8 +94,8 @@ public NBSceneFixtures asFixtures() {
         return (NBSceneFixtures) this;
     }
 
-//    public static NBSceneBuffer init(String name) {
-//        TestComponent root = new TestComponent("scene", "self");
-//        return new NBSceneBuffer(NBDefaultSceneFixtures.ofDefault(name));
-//    }
+    public static NBSceneBuffer init(String name) {
+        TestComponent root = new TestComponent("scene", "self");
+        return new NBSceneBuffer(NBDefaultSceneFixtures.ofDefault(name));
+    }
 }
diff --git a/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/direct/NBBaseScenario.java b/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/direct/NBBaseScenario.java
deleted file mode 100644
index 4e4aa558a1..0000000000
--- a/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/direct/NBBaseScenario.java
+++ /dev/null
@@ -1,34 +0,0 @@
-/*
- * Copyright (c) 2023 nosqlbench
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package io.nosqlbench.engine.core.lifecycle.scenario.direct;
-
-import io.nosqlbench.components.NBComponent;
-import io.nosqlbench.engine.core.lifecycle.scenario.context.NBSceneFixtures;
-import io.nosqlbench.engine.core.lifecycle.scenario.execution.NBScenario;
-
-import java.util.Map;
-
-public abstract class NBBaseScenario extends NBScenario {
-
-    public NBBaseScenario(NBComponent parentComponent, String scenarioName, Map<String, String> params, String progressInterval) {
-        super(parentComponent, scenarioName);
-    }
-
-    @Override
-    protected void runScenario(NBSceneFixtures sctx) {
-    }
-}
diff --git a/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/execution/ScenarioResult.java b/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/execution/ScenarioResult.java
index 8ff7038b5d..ecf44549d1 100644
--- a/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/execution/ScenarioResult.java
+++ b/engine-core/src/main/java/io/nosqlbench/engine/core/lifecycle/scenario/execution/ScenarioResult.java
@@ -54,4 +54,21 @@ public void exitWithCode() {
     public String getIOLog() {
         return fixtures.getIOLog();
     }
+
+    @Override
+    public String toString() {
+        StringBuilder sb = new StringBuilder("ScenarioResult [")
+            .append(this.endedAt - this.startedAt)
+            .append("ms]");
+        if (exception==null) {
+             sb.append(" OK ");
+        } else {
+            sb.append(" ERROR ").append(exception);
+        }
+        String iolog = getIOLog();
+        if (!iolog.isEmpty()) {
+            sb.append(" IO{\n").append("}\n").append(iolog);
+        }
+        return sb.toString();
+    }
 }
diff --git a/nbr-examples/src/test/java/io/nosqlbench/nbr/examples/injava/SC_activity_error.java b/nbr-examples/src/test/java/io/nosqlbench/nbr/examples/injava/SC_activity_error.java
index 8bfa405fa4..dca852d0d9 100644
--- a/nbr-examples/src/test/java/io/nosqlbench/nbr/examples/injava/SC_activity_error.java
+++ b/nbr-examples/src/test/java/io/nosqlbench/nbr/examples/injava/SC_activity_error.java
@@ -27,21 +27,6 @@ public SC_activity_error(NBComponent parentComponent, String scenarioName) {
         super(parentComponent, scenarioName);
     }
 
-    @Override
-    protected void runScenario(NBSceneFixtures shell) {
-
-//        HdrHistoLogPluginData hdrHistoLogPluginData = new HdrHistoLogPluginData();
-//        HdrHistoLogPlugin histologplugin = hdrHistoLogPluginData.getExtensionObject(...);
-//        histologplugin.logHistoIntervals(...);
-
-//        HdrHistoLogPlugin logplugin = shell.extensions().get("histologger",HdrHistoLogPlugin.class);
-
-//        var serviceojbect = extensions.get("histologger");
-
-//        AttachedMetricsSummaryReporter reporter = shell.runtime().create().summaryReporter(5, "labelname", "labelvalue");
-
-    }
-
     /**
      * Equivalent to javascript form:
      * <pre>{@code
@@ -73,7 +58,7 @@ public void invoke() {
         );
         stdout.write("starting activity activity_error");
         controller.start(activitydef1);
-        controller.waitMillis(2000);
+        controller.waitMillis(500);
         controller.getActivityDef("activity_error").getParams().set("threads","unparsable"); // forced error
         controller.awaitActivity("activity_error", Long.MAX_VALUE);
     }