fix for onGraphComputer function returning false when it is a graph computer traversal.

gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/TraversalHelper.java

diff --git a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/TraversalHelper.java b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/TraversalHelper.java
index 19117d6..ca751a4 100644
--- a/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/TraversalHelper.java
+++ b/gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/util/TraversalHelper.java
@@ -711,7 +711,7 @@
                 return true;
             traversal = traversal.getParent().asStep().getTraversal();
         }
-        return false;
+        return traversal.getSteps().get(0) instanceof TraversalVertexProgramStep;
     }
 
     public static void removeAllSteps(final Traversal.Admin<?, ?> traversal) {

tinkergraph-gremlin/src/test/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerGraphTest.java

diff --git a/tinkergraph-gremlin/src/test/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerGraphTest.java b/tinkergraph-gremlin/src/test/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerGraphTest.java
index 12d0fec..ffdc873 100644
--- a/tinkergraph-gremlin/src/test/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerGraphTest.java
+++ b/tinkergraph-gremlin/src/test/java/org/apache/tinkerpop/gremlin/tinkergraph/structure/TinkerGraphTest.java
@@ -26,11 +26,13 @@
 import org.apache.tinkerpop.gremlin.process.traversal.P;
 import org.apache.tinkerpop.gremlin.process.traversal.Traversal;
 import org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategy;
+import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversalSource;
 import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.__;
 import org.apache.tinkerpop.gremlin.process.traversal.strategy.optimization.IdentityRemovalStrategy;
 import org.apache.tinkerpop.gremlin.process.traversal.strategy.verification.ReservedKeysVerificationStrategy;
 import org.apache.tinkerpop.gremlin.process.traversal.util.Metrics;
+import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalHelper;
 import org.apache.tinkerpop.gremlin.process.traversal.util.TraversalMetrics;
 import org.apache.tinkerpop.gremlin.structure.Edge;
 import org.apache.tinkerpop.gremlin.structure.Graph;
@@ -58,6 +60,7 @@
 import org.apache.tinkerpop.shaded.kryo.Serializer;
 import org.apache.tinkerpop.shaded.kryo.io.Input;
 import org.apache.tinkerpop.shaded.kryo.io.Output;
+import org.junit.Assert;
 import org.junit.Test;
 
 import java.awt.Color;
@@ -662,6 +665,13 @@
         }
     }
 
+    @Test
+    public void shouldReturnOnGraphComputerTrue() {
+        final GraphTraversalSource g = TinkerFactory.createModern().traversal().withComputer();
+        final GraphTraversal.Admin traversal = g.V().out().iterate().asAdmin();
+        Assert.assertTrue(TraversalHelper.onGraphComputer(traversal));
+    }
+
     /**
      * Just validating that property folding works nicely given TINKERPOP-2112
      */