Flaky Test - ParagraphActionsIT.testRemoveButton

testRemoveButton(org.apache.zeppelin.integration.ParagraphActionsIT)  Time elapsed: 9.641 sec  <<< FAILURE!
java.lang.AssertionError: After Remove : Number of paragraphs are
Expected: <2>
     but: was <1>
	at org.hamcrest.MatcherAssert.assertThat(MatcherAssert.java:20)
	at org.junit.Assert.assertThat(Assert.java:865)
	at org.junit.rules.ErrorCollector$1.call(ErrorCollector.java:65)
	at org.junit.rules.ErrorCollector.checkSucceeds(ErrorCollector.java:78)
	at org.junit.rules.ErrorCollector.checkThat(ErrorCollector.java:63)
	at org.apache.zeppelin.integration.ParagraphActionsIT.testRemoveButton(ParagraphActionsIT.java:161)