Sometimes tests are failing with ResourceException: Resource '/FuseIntegrationProjectCreatorRunnableIT-SimpleBlueprintProject/target/classes' already exists

!ENTRY org.fusesource.ide.projecttemplates 4 0 2016-07-05 03:49:44.517
!MESSAGE Resource '/FuseIntegrationProjectCreatorRunnableIT-SimpleBlueprintProject/target/classes' already exists.
!STACK 1
org.eclipse.core.internal.resources.ResourceException: Resource '/FuseIntegrationProjectCreatorRunnableIT-SimpleBlueprintProject/target/classes' already exists.
	at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:313)
	at org.eclipse.core.internal.resources.Resource.checkDoesNotExist(Resource.java:300)
	at org.eclipse.core.internal.resources.Folder.assertCreateRequirements(Folder.java:30)
	at org.eclipse.core.internal.resources.Folder.create(Folder.java:93)
	at org.eclipse.core.internal.resources.Folder.create(Folder.java:121)
	at org.eclipse.m2e.core.internal.M2EUtils.createFolder(M2EUtils.java:69)
	at org.eclipse.m2e.jdt.internal.AbstractJavaProjectConfigurator.addProjectSourceFolders(AbstractJavaProjectConfigurator.java:231)
	at org.eclipse.m2e.jdt.internal.AbstractJavaProjectConfigurator.configure(AbstractJavaProjectConfigurator.java:122)
	at org.eclipse.m2e.core.project.configurator.AbstractLifecycleMapping.configure(AbstractLifecycleMapping.java:120)
	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$3.call(ProjectConfigurationManager.java:501)
	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$3.call(ProjectConfigurationManager.java:1)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.updateProjectConfiguration(ProjectConfigurationManager.java:494)
	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.configureNewMavenProjects(ProjectConfigurationManager.java:281)
	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager$4.run(ProjectConfigurationManager.java:521)
	at org.eclipse.m2e.core.internal.embedder.AbstractRunnable.call(AbstractRunnable.java:26)
	at org.eclipse.m2e.core.internal.embedder.AbstractRunnable.call(AbstractRunnable.java:1)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.executeBare(MavenExecutionContext.java:176)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:151)
	at org.eclipse.m2e.core.internal.embedder.MavenExecutionContext.execute(MavenExecutionContext.java:99)
	at org.eclipse.m2e.core.internal.embedder.MavenImpl.execute(MavenImpl.java:1355)
	at org.eclipse.m2e.core.internal.project.ProjectConfigurationManager.enableMavenNature(ProjectConfigurationManager.java:518)
	at org.fusesource.ide.projecttemplates.adopters.configurators.MavenTemplateConfigurator.configureMavenNature(MavenTemplateConfigurator.java:78)
	at org.fusesource.ide.projecttemplates.adopters.configurators.MavenTemplateConfigurator.configure(MavenTemplateConfigurator.java:50)
	at org.fusesource.ide.projecttemplates.adopters.AbstractProjectTemplate.create(AbstractProjectTemplate.java:53)
	at org.fusesource.ide.projecttemplates.wizards.FuseIntegrationProjectCreatorRunnable.run(FuseIntegrationProjectCreatorRunnable.java:94)
	at org.eclipse.jface.operation.ModalContext.runInCurrentThread(ModalContext.java:463)
	at org.eclipse.jface.operation.ModalContext.run(ModalContext.java:371)
	at org.eclipse.jface.dialogs.ProgressMonitorDialog.run(ProgressMonitorDialog.java:500)
	at org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableIT.testEmptyProjectCreation(FuseIntegrationProjectCreatorRunnableIT.java:129)
	at org.fusesource.ide.projecttemplates.tests.integration.wizards.FuseIntegrationProjectCreatorRunnableIT.testEmptyBlueprintProjectCreation(FuseIntegrationProjectCreatorRunnableIT.java:95)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47)
	at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
	at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
	at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
	at org.junit.rules.ExternalResource$1.evaluate(ExternalResource.java:48)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:363)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:264)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:153)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:124)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:208)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:156)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:82)
	at org.eclipse.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:91)
	at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication$1.run(AbstractUITestApplication.java:35)
	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.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine$4.run(PartRenderingEngine.java:1127)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.e4.ui.internal.workbench.swt.PartRenderingEngine.run(PartRenderingEngine.java:1018)
	at org.eclipse.e4.ui.internal.workbench.E4Workbench.createAndRunUI(E4Workbench.java:156)
	at org.eclipse.ui.internal.Workbench$5.run(Workbench.java:694)
	at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:337)
	at org.eclipse.ui.internal.Workbench.createAndRunWorkbench(Workbench.java:606)
	at org.eclipse.ui.PlatformUI.createAndRunWorkbench(PlatformUI.java:150)
	at org.eclipse.ui.internal.ide.application.IDEApplication.start(IDEApplication.java:139)
	at org.eclipse.tycho.surefire.osgibooter.UITestApplication.runApplication(UITestApplication.java:31)
	at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.run(AbstractUITestApplication.java:120)
	at org.eclipse.tycho.surefire.osgibooter.UITestApplication.start(UITestApplication.java:37)
	at org.eclipse.equinox.internal.app.EclipseAppHandle.run(EclipseAppHandle.java:196)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.runApplication(EclipseAppLauncher.java:134)
	at org.eclipse.core.runtime.internal.adaptor.EclipseAppLauncher.start(EclipseAppLauncher.java:104)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:380)
	at org.eclipse.core.runtime.adaptor.EclipseStarter.run(EclipseStarter.java:235)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at org.eclipse.equinox.launcher.Main.invokeFramework(Main.java:669)
	at org.eclipse.equinox.launcher.Main.basicRun(Main.java:608)
	at org.eclipse.equinox.launcher.Main.run(Main.java:1515)
	at org.eclipse.equinox.launcher.Main.main(Main.java:1488)
!SUBENTRY 1 org.eclipse.core.resources 4 374 2016-07-05 03:49:44.518