expected:<[[], [1], [1, 2], [1, 2, 3], [4, 3], [5], []]> but was:<[]>

java.lang.AssertionError: expected:<[[], [1], [1, 2], [1, 2, 3], [4, 3], [5], []]> but was:<[]>	at org.apache.spark.streaming.JavaMapWithStateSuite.testOperation(JavaMapWithStateSuite.java:164)	at org.apache.spark.streaming.JavaMapWithStateSuite.testBasicFunction(JavaMapWithStateSuite.java:134)