java.lang.AssertionError: The following shells remained open [Error]
	at org.junit.Assert.fail(Assert.java:89)
	at org.eclipse.reddeer.junit.extension.after.test.impl.CloseAllShellsExt.run(CloseAllShellsExt.java:79)
	at org.eclipse.reddeer.junit.extension.after.test.impl.CloseAllShellsExt.runAfterTest(CloseAllShellsExt.java:72)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunIAfterTestExtensions.evaluate(RunIAfterTestExtensions.java:72)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:61)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.eclipse.reddeer.junit.internal.runner.RequirementsRunner.runChild(RequirementsRunner.java:171)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunBeforeClasses.evaluate(RunBeforeClasses.java:81)
	at org.eclipse.reddeer.junit.internal.runner.statement.FulfillRequirementsStatement.evaluate(FulfillRequirementsStatement.java:46)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunIBeforeClassExtensions.evaluate(RunIBeforeClassExtensions.java:72)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunAfterClasses.evaluate(RunAfterClasses.java:68)
	at org.eclipse.reddeer.junit.internal.runner.statement.CleanUpRequirementStatement.evaluate(CleanUpRequirementStatement.java:45)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunIAfterClassExtensions.evaluate(RunIAfterClassExtensions.java:57)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.eclipse.reddeer.junit.internal.runner.RequirementsRunner.run(RequirementsRunner.java:153)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:206)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:161)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:84)
	at org.eclipse.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:116)
	at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.runTests(AbstractUITestApplication.java:46)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Testable.lambda$0(E4Testable.java:76)
	at java.base/java.lang.Thread.run(Thread.java:834)
java.nio.file.NoSuchFileException: /jenkins/jbosstools-fuse_master/sources/uitests/tests/org.jboss.tools.fuse.ui.bot.tests/target/work sp@cé/.metadata/.log
	at java.base/sun.nio.fs.UnixException.translateToIOException(UnixException.java:92)
	at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:111)
	at java.base/sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:116)
	at java.base/sun.nio.fs.UnixCopyFile.copy(UnixCopyFile.java:548)
	at java.base/sun.nio.fs.UnixFileSystemProvider.copy(UnixFileSystemProvider.java:258)
	at java.base/java.nio.file.Files.copy(Files.java:1295)
	at org.jboss.tools.fuse.ui.bot.tests.DefaultTest$1.failed(DefaultTest.java:58)
	at org.junit.rules.TestWatcher.failedQuietly(TestWatcher.java:90)
	at org.junit.rules.TestWatcher.access$300(TestWatcher.java:52)
	at org.junit.rules.TestWatcher$1.evaluate(TestWatcher.java:68)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:366)
	at org.eclipse.reddeer.junit.internal.runner.RequirementsRunner.runChild(RequirementsRunner.java:171)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:63)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunBeforeClasses.evaluate(RunBeforeClasses.java:81)
	at org.eclipse.reddeer.junit.internal.runner.statement.FulfillRequirementsStatement.evaluate(FulfillRequirementsStatement.java:46)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunIBeforeClassExtensions.evaluate(RunIBeforeClassExtensions.java:72)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunAfterClasses.evaluate(RunAfterClasses.java:68)
	at org.eclipse.reddeer.junit.internal.runner.statement.CleanUpRequirementStatement.evaluate(CleanUpRequirementStatement.java:45)
	at org.eclipse.reddeer.junit.internal.runner.statement.RunIAfterClassExtensions.evaluate(RunIAfterClassExtensions.java:57)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.eclipse.reddeer.junit.internal.runner.RequirementsRunner.run(RequirementsRunner.java:153)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.junit.runners.Suite.runChild(Suite.java:128)
	at org.junit.runners.Suite.runChild(Suite.java:27)
	at org.junit.runners.ParentRunner$4.run(ParentRunner.java:331)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:79)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:329)
	at org.junit.runners.ParentRunner.access$100(ParentRunner.java:66)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:293)
	at org.junit.runners.ParentRunner$3.evaluate(ParentRunner.java:306)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:413)
	at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:365)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeWithRerun(JUnit4Provider.java:273)
	at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:238)
	at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:159)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:566)
	at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray2(ReflectionUtils.java:206)
	at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:161)
	at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:84)
	at org.eclipse.tycho.surefire.osgibooter.OsgiSurefireBooter.run(OsgiSurefireBooter.java:116)
	at org.eclipse.tycho.surefire.osgibooter.AbstractUITestApplication.runTests(AbstractUITestApplication.java:46)
	at org.eclipse.e4.ui.internal.workbench.swt.E4Testable.lambda$0(E4Testable.java:76)
	at java.base/java.lang.Thread.run(Thread.java:834)