stacktrace generated with cleanup = Granularity.CLASS

import org.junit.Test;
import org.junit.runner.RunWith;
import org.nuxeo.ecm.core.test.CoreFeature;
import org.nuxeo.ecm.core.test.annotations.Granularity;
import org.nuxeo.ecm.core.test.annotations.RepositoryConfig;
import org.nuxeo.runtime.test.runner.Features;
import org.nuxeo.runtime.test.runner.FeaturesRunner;

@RunWith(FeaturesRunner.class)
@Features(CoreFeature.class)
@RepositoryConfig(cleanup = Granularity.CLASS)
public class CleanupTest {
	@Test
	public void test() {
	}
}

14:39:45,950 ERROR [CoreFeature] Unable to reset repository
org.nuxeo.ecm.core.api.local.LocalException: No transaction active, cannot reconnect: test/Administrator#2
	at org.nuxeo.ecm.core.api.local.LocalSession.getSession(LocalSession.java:102)
	at org.nuxeo.ecm.core.api.AbstractSession.resolveReference(AbstractSession.java:335)
	at org.nuxeo.ecm.core.api.AbstractSession.removeChildren(AbstractSession.java:1277)
	at org.nuxeo.ecm.core.test.CoreFeature.cleanupSession(CoreFeature.java:240)
	at org.nuxeo.ecm.core.test.CoreFeature.afterRun(CoreFeature.java:180)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$5.call(FeaturesRunner.java:187)
	at org.nuxeo.runtime.test.runner.FeaturesLoader.apply(FeaturesLoader.java:109)
	at org.nuxeo.runtime.test.runner.FeaturesLoader.apply(FeaturesLoader.java:96)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.afterRun(FeaturesRunner.java:183)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$AfterClassStatement.evaluate(FeaturesRunner.java:287)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$RulesFactory$1.evaluate(FeaturesRunner.java:525)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$BeforeClassStatement.evaluate(FeaturesRunner.java:268)
	at org.junit.rules.RunRules.evaluate(RunRules.java:20)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
	at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
	at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382)
	at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192)