appwithinminutes.AppsLiveTableTest.testEditApplication is possibly flaky

Timed out after 10 seconds waiting for org.xwiki.test.ui.po.editor.wysiwyg.EditorElement$1@7be1e187
Build info: version: '2.44.0', revision: '76d78cf323ce037c5f92db6c1bba601c2ac43ad8', time: '2014-10-23 13:11:40'
System info: host: 'localhost', ip: '127.0.0.1', os.name: 'Linux', os.arch: 'amd64', os.version: '3.10.40-vs2.3.6.8-beng', java.version: '1.8.0_102'
Driver info: org.xwiki.test.ui.XWikiWebDriver
Capabilities [{applicationCacheEnabled=true, rotatable=false, handlesAlerts=true, databaseEnabled=true, version=32.0.1, platform=LINUX, nativeEvents=true, acceptSslCerts=true, webStorageEnabled=true, locationContextEnabled=true, browserName=firefox, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEnabled=true}]
Session ID: 18f4b61f-c0da-4ef1-85c2-a32e0222fafd

org.openqa.selenium.TimeoutException: 
Timed out after 10 seconds waiting for org.xwiki.test.ui.po.editor.wysiwyg.EditorElement$1@7be1e187
Build info: version: '2.44.0', revision: '76d78cf323ce037c5f92db6c1bba601c2ac43ad8', time: '2014-10-23 13:11:40'
System info: host: 'localhost', ip: '127.0.0.1', os.name: 'Linux', os.arch: 'amd64', os.version: '3.10.40-vs2.3.6.8-beng', java.version: '1.8.0_102'
Driver info: org.xwiki.test.ui.XWikiWebDriver
Capabilities [{applicationCacheEnabled=true, rotatable=false, handlesAlerts=true, databaseEnabled=true, version=32.0.1, platform=LINUX, nativeEvents=true, acceptSslCerts=true, webStorageEnabled=true, locationContextEnabled=true, browserName=firefox, takesScreenshot=true, javascriptEnabled=true, cssSelectorsEnabled=true}]
Session ID: 18f4b61f-c0da-4ef1-85c2-a32e0222fafd
	at org.openqa.selenium.support.ui.WebDriverWait.timeoutException(WebDriverWait.java:79)
	at org.openqa.selenium.support.ui.FluentWait.until(FluentWait.java:228)
	at org.xwiki.test.ui.XWikiWebDriver.waitUntilCondition(XWikiWebDriver.java:177)
	at org.xwiki.test.ui.po.editor.wysiwyg.EditorElement.waitToLoad(EditorElement.java:66)
	at org.xwiki.appwithinminutes.test.po.ApplicationHomeEditPage.waitUntilPageIsLoaded(ApplicationHomeEditPage.java:215)
	at org.xwiki.test.ui.appwithinminutes.AppsLiveTableTest.createApplication(AppsLiveTableTest.java:189)
	at org.xwiki.test.ui.appwithinminutes.AppsLiveTableTest.testEditApplication(AppsLiveTableTest.java:114)

10:17:23.473 [main] INFO  org.xwiki.test.ui.TestDebugger - AppsLiveTableTest-testEditApplication started
10:17:34.541 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 2017-01-31 10:17:34,538 [XWiki Solr index thread] ERROR o.x.s.s.i.DefaultSolrIndexer   - Failed to process entry [INDEX xwiki:XWiki.Q80cq()] 
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - org.xwiki.search.solr.internal.api.SolrIndexerException: Failed to get input Solr document for entity 'xwiki:XWiki.Q80cq()'
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.metadata.AbstractSolrMetadataExtractor.getSolrDocument(AbstractSolrMetadataExtractor.java:140)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.DefaultSolrIndexer.getSolrDocument(DefaultSolrIndexer.java:504)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.DefaultSolrIndexer.processBatch(DefaultSolrIndexer.java:411)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.DefaultSolrIndexer.run(DefaultSolrIndexer.java:377)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.lang.Thread.run(Thread.java:745)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - Caused by: java.util.ConcurrentModificationException: null
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:901)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at java.util.ArrayList$Itr.next(ArrayList.java:851)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at com.xpn.xwiki.internal.AbstractNotifyOnUpdateList$Itr.next(AbstractNotifyOnUpdateList.java:282)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.hibernate.collection.AbstractPersistentCollection$IteratorProxy.next(AbstractPersistentCollection.java:580)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.metadata.AbstractSolrMetadataExtractor.setPropertyValue(AbstractSolrMetadataExtractor.java:403)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.metadata.AbstractSolrMetadataExtractor.setObjectContent(AbstractSolrMetadataExtractor.java:357)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.metadata.DocumentSolrMetadataExtractor.setObjects(DocumentSolrMetadataExtractor.java:202)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.metadata.DocumentSolrMetadataExtractor.setExtras(DocumentSolrMetadataExtractor.java:186)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.metadata.DocumentSolrMetadataExtractor.setFieldsInternal(DocumentSolrMetadataExtractor.java:135)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	at org.xwiki.search.solr.internal.metadata.AbstractSolrMetadataExtractor.getSolrDocument(AbstractSolrMetadataExtractor.java:133)
10:17:34.542 [Exec Stream Pumper] ERROR o.x.t.i.XWikiLogOutputStream - 	... 4 common frames omitted
10:17:46.477 [main] INFO  org.xwiki.test.ui.TestDebugger - AppsLiveTableTest-testEditApplication failed