Shares an HDFS MiniCluster based SparkContext between all tests in a suite and
closes it at the end. This requires that the env variable SPARK_HOME is set.
Further more if this is used prior to Spark 1.6.3,
all Spark tests must run against the yarn mini cluster
(see https://issues.apache.org/jira/browse/SPARK-10812 for details).
Shares an HDFS MiniCluster based
SparkContext
between all tests in a suite and closes it at the end. This requires that the env variable SPARK_HOME is set. Further more if this is used prior to Spark 1.6.3, all Spark tests must run against the yarn mini cluster (see https://issues.apache.org/jira/browse/SPARK-10812 for details).