Fix Elasticsearch addon ICanUseANxqlPageProvider and TestPageProvider tests

java.lang.AssertionError: 
	at org.junit.Assert.fail(Assert.java:91)
	at org.junit.Assert.assertTrue(Assert.java:43)
	at org.junit.Assert.assertTrue(Assert.java:54)
	at org.nuxeo.elasticsearch.test.TestPageProvider.ICanUseANxqlPageProvider(TestPageProvider.java:159)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:601)
	at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
	at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
	at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
	at org.nuxeo.runtime.test.runner.FeaturesRunner$InvokeMethod.evaluate(FeaturesRunner.java:433)
	at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:76)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.runChild(FeaturesRunner.java:388)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.runChild(FeaturesRunner.java:53)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.run(FeaturesRunner.java:355)
	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 org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)

java.lang.AssertionError: teardown errors
	at org.nuxeo.runtime.test.runner.FeaturesRunner.afterTeardown(FeaturesRunner.java:303)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.runChild(FeaturesRunner.java:390)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.runChild(FeaturesRunner.java:53)
	at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
	at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
	at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
	at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
	at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
	at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.run(FeaturesRunner.java:355)
	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 org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:200)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:153)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:103)
	Suppressed: org.nuxeo.ecm.core.api.local.LocalException: No transaction active, cannot reconnect: test/Administrator#174
		at org.nuxeo.ecm.core.api.local.LocalSession.getSession(LocalSession.java:109)
		at org.nuxeo.ecm.core.api.AbstractSession.resolveReference(AbstractSession.java:361)
		at org.nuxeo.ecm.core.api.AbstractSession.removeChildren(AbstractSession.java:1417)
		at sun.reflect.GeneratedMethodAccessor37.invoke(Unknown Source)
		at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
		at java.lang.reflect.Method.invoke(Method.java:601)
		at org.nuxeo.ecm.core.api.TransactionalCoreSessionWrapper.invoke(TransactionalCoreSessionWrapper.java:131)
		at $Proxy46.removeChildren(Unknown Source)
		at org.nuxeo.ecm.core.test.CoreFeature.cleanupSession(CoreFeature.java:169)
		at org.nuxeo.ecm.core.test.CoreFeature.afterTeardown(CoreFeature.java:135)
		at org.nuxeo.runtime.test.runner.FeaturesRunner.afterTeardown(FeaturesRunner.java:306)
		... 15 more