Github user okram commented on the pull request:
https://github.com/apache/incubator-tinkerpop/pull/301#issuecomment-216886769
That is a wierd `NullPointerException` in that the `graphProvider` of the
test is null.
```
graphProvider = GraphManager.getGraphProvider(); // THIS BECOMES
NULL ?
graphProvider.getTestListener().ifPresent(l ->
l.onTestStart(this.getClass(), name.getMethodName()));
```
What is different about your other machine?
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