Sometimes test fails on CI with "No more handles [Unknown Mozilla path (MOZILLA_FIVE_HOME not set)"

testEmptySpringProjectCreationOnLocationOutsideWorkspace(org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableIT)  Time elapsed: 16.465 sec  <<< ERROR!
org.eclipse.swt.SWTException: Failed to execute runnable (org.eclipse.swt.SWTError: No more handles [Unknown Mozilla path (MOZILLA_FIVE_HOME not set)])
	at org.eclipse.swt.SWT.error(SWT.java:4517)
	at org.eclipse.swt.browser.Mozilla.initMozilla(Mozilla.java:2231)
	at org.eclipse.swt.browser.Mozilla.create(Mozilla.java:687)
	at org.eclipse.swt.browser.Browser.<init>(Browser.java:99)
	at org.fusesource.ide.camel.editor.properties.DocumentationSection.createControls(DocumentationSection.java:241)
	at org.eclipse.ui.views.properties.tabbed.TabContents$1.run(TabContents.java:109)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
	at org.eclipse.ui.views.properties.tabbed.TabContents.createControls(TabContents.java:112)
	at org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage$SelectionChangedListener.selectionChanged(TabbedPropertySheetPage.java:206)
	at org.eclipse.jface.viewers.Viewer$2.run(Viewer.java:163)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.ui.internal.JFaceUtil$1.run(JFaceUtil.java:50)
	at org.eclipse.jface.util.SafeRunnable.run(SafeRunnable.java:173)
	at org.eclipse.jface.viewers.Viewer.fireSelectionChanged(Viewer.java:160)
	at org.eclipse.jface.viewers.StructuredViewer.updateSelection(StructuredViewer.java:2197)
	at org.eclipse.jface.viewers.StructuredViewer.handleSelect(StructuredViewer.java:1228)
	at org.eclipse.jface.viewers.StructuredViewer$4.widgetSelected(StructuredViewer.java:1257)
	at org.eclipse.jface.util.OpenStrategy.fireSelectionEvent(OpenStrategy.java:242)
	at org.eclipse.jface.util.OpenStrategy.access$4(OpenStrategy.java:236)
	at org.eclipse.jface.util.OpenStrategy$1.handleEvent(OpenStrategy.java:408)
	at org.eclipse.swt.widgets.EventTable.sendEvent(EventTable.java:84)
	at org.eclipse.swt.widgets.Display.sendEvent(Display.java:4481)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1329)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1353)
	at org.eclipse.swt.widgets.Widget.sendEvent(Widget.java:1338)
	at org.eclipse.swt.widgets.Widget.notifyListeners(Widget.java:1119)
	at org.eclipse.ui.internal.views.properties.tabbed.view.TabbedPropertyList.select(TabbedPropertyList.java:864)
	at org.eclipse.ui.internal.views.properties.tabbed.view.TabbedPropertyViewer.setSelectionToWidget(TabbedPropertyViewer.java:122)
	at org.eclipse.jface.viewers.StructuredViewer.setSelectionToWidget(StructuredViewer.java:1775)
	at org.eclipse.jface.viewers.StructuredViewer.setSelection(StructuredViewer.java:1731)
	at org.eclipse.jface.viewers.Viewer.setSelection(Viewer.java:388)
	at org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage.setInput(TabbedPropertySheetPage.java:748)
	at org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetPage.selectionChanged(TabbedPropertySheetPage.java:556)
	at org.eclipse.ui.views.properties.PropertySheet.selectionChanged(PropertySheet.java:335)
	at org.eclipse.ui.internal.e4.compatibility.SelectionService.notifyListeners(SelectionService.java:237)
	at org.eclipse.ui.internal.e4.compatibility.SelectionService.notifyListeners(SelectionService.java:172)
	at org.eclipse.ui.internal.WorkbenchPage$E4PartListener.partActivated(WorkbenchPage.java:204)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl$3.run(PartServiceImpl.java:245)
	at org.eclipse.core.runtime.SafeRunner.run(SafeRunner.java:42)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.firePartActivated(PartServiceImpl.java:242)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:711)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:639)
	at org.eclipse.e4.ui.internal.workbench.PartServiceImpl.activate(PartServiceImpl.java:634)
	at org.eclipse.ui.internal.WorkbenchPage.busyOpenEditor(WorkbenchPage.java:3260)
	at org.eclipse.ui.internal.WorkbenchPage.access$25(WorkbenchPage.java:3167)
	at org.eclipse.ui.internal.WorkbenchPage$10.run(WorkbenchPage.java:3149)
	at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:70)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3144)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3108)
	at org.eclipse.ui.internal.WorkbenchPage.openEditor(WorkbenchPage.java:3098)
	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:541)
	at org.eclipse.ui.ide.IDE.openEditor(IDE.java:500)
	at org.fusesource.ide.projecttemplates.wizards.FuseIntegrationProjectCreatorRunnable$2.run(FuseIntegrationProjectCreatorRunnable.java:224)
	at org.eclipse.swt.widgets.RunnableLock.run(RunnableLock.java:35)
	at org.eclipse.swt.widgets.Synchronizer.runAsyncMessages(Synchronizer.java:135)
	at org.eclipse.swt.widgets.Display.runAsyncMessages(Display.java:3794)
	at org.eclipse.swt.widgets.Display.readAndDispatch(Display.java:3433)
	at org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableIT.checkCorrectEditorOpened(FuseIntegrationProjectCreatorRunnableIT.java:191)
	at org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableIT.testEmptyProjectCreation(FuseIntegrationProjectCreatorRunnableIT.java:128)
	at org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableIT.testEmptySpringProjectCreationOnLocationOutsideWorkspace(FuseIntegrationProjectCreatorRunnableIT.java:98)