Fix Bulk Rwalk (#230)

diff --git a/src/main/java/org/apache/accumulo/testing/randomwalk/bulk/BulkPlusOne.java b/src/main/java/org/apache/accumulo/testing/randomwalk/bulk/BulkPlusOne.java
index 55d81c1..5d6398e 100644
--- a/src/main/java/org/apache/accumulo/testing/randomwalk/bulk/BulkPlusOne.java
+++ b/src/main/java/org/apache/accumulo/testing/randomwalk/bulk/BulkPlusOne.java
@@ -94,7 +94,7 @@
       writer.close();
     }
     env.getAccumuloClient().tableOperations().importDirectory(dir.toString())
-        .to(Setup.getTableName()).tableTime(true);
+        .to(Setup.getTableName()).tableTime(true).load();
     fs.delete(dir, true);
     log.debug("Finished bulk import, start rows " + printRows + " last row "
         + String.format(FMT, LOTS - 1) + " marker " + markerColumnQualifier);