Github user felixcheung commented on the pull request:
https://github.com/apache/incubator-zeppelin/pull/799#issuecomment-204068310
test failure was:
```
Failed tests:
ZeppelinSparkClusterTest.pySparkDepLoaderTest:167->getSparkVersionNumber:220
expected:<FINISHED> but was:<ERROR>
ZeppelinSparkClusterTest.pySparkAutoConvertOptionTest:112->getSparkVersionNumber:220
expected:<FINISHED> but was:<ERROR>
ZeppelinSparkClusterTest.basicRDDTransformationAndActionTest:81
expected:<FINISHED> but was:<ERROR>
ZeppelinSparkClusterTest.pySparkTest:90->getSparkVersionNumber:220
expected:<FINISHED> but was:<ERROR>
ZeppelinSparkClusterTest.zRunTest:152 expected:<FINISHED> but was:<ERROR>
```
merging if no more comment
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