Fix Nuxeo JSF UI Hotreload Tests failsafe error related to log4j configuration

cd nuxeo-jsf-ui/ftests/nuxeo-jsf-ui-hotreload-tests
mvn -nsu verify

[INFO] -------------------------------------------------------
[INFO]  T E S T S
[INFO] -------------------------------------------------------
ERROR StatusLogger Unable to access file:///home/ataillefer/sources/nuxeo-jsf-ui/ftests/nuxeo-jsf-ui-hotreload-tests/src/test/resources/log4j.xml
 java.io.FileNotFoundException: /home/ataillefer/sources/nuxeo-jsf-ui/ftests/nuxeo-jsf-ui-hotreload-tests/src/test/resources/log4j.xml (Aucun fichier ou dossier de ce type)
	at java.base/java.io.FileInputStream.open0(Native Method)
	at java.base/java.io.FileInputStream.open(FileInputStream.java:219)
	at java.base/java.io.FileInputStream.<init>(FileInputStream.java:157)
	at java.base/java.io.FileInputStream.<init>(FileInputStream.java:112)
	at java.base/sun.net.www.protocol.file.FileURLConnection.connect(FileURLConnection.java:86)
	at java.base/sun.net.www.protocol.file.FileURLConnection.getInputStream(FileURLConnection.java:184)
	at org.apache.logging.log4j.core.config.ConfigurationSource.fromUri(ConfigurationSource.java:325)
	at org.apache.logging.log4j.core.config.ConfigurationFactory$Factory.getConfiguration(ConfigurationFactory.java:480)
	at org.apache.logging.log4j.core.config.ConfigurationFactory$Factory.getConfiguration(ConfigurationFactory.java:416)
	at org.apache.logging.log4j.core.config.ConfigurationFactory.getConfiguration(ConfigurationFactory.java:318)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:687)
	at org.apache.logging.log4j.core.LoggerContext.reconfigure(LoggerContext.java:708)
	at org.apache.logging.log4j.core.LoggerContext.start(LoggerContext.java:263)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:153)
	at org.apache.logging.log4j.core.impl.Log4jContextFactory.getContext(Log4jContextFactory.java:45)
	at org.apache.logging.log4j.LogManager.getContext(LogManager.java:194)
	at org.apache.logging.log4j.LogManager.getLogger(LogManager.java:602)
	at org.nuxeo.mail.SmtpMailServerFeature.<clinit>(SmtpMailServerFeature.java:82)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	at org.nuxeo.runtime.test.runner.FeaturesLoader$Holder.<init>(FeaturesLoader.java:62)
	at org.nuxeo.runtime.test.runner.FeaturesLoader.loadFeature(FeaturesLoader.java:168)
	at org.nuxeo.runtime.test.runner.FeaturesLoader.loadFeatures(FeaturesLoader.java:144)
	at org.nuxeo.runtime.test.runner.FeaturesRunner.<init>(FeaturesRunner.java:94)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
	at java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
	at java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
	at java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
	at org.junit.internal.builders.AnnotatedBuilder.buildRunner(AnnotatedBuilder.java:104)
	at org.junit.internal.builders.AnnotatedBuilder.runnerForClass(AnnotatedBuilder.java:86)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:70)
	at org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:37)
	at org.junit.runner.Computer.getRunner(Computer.java:50)
	at org.junit.runner.Computer$1.runnerForClass(Computer.java:31)
	at org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:70)
	at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:125)
	at org.junit.runners.model.RunnerBuilder.runners(RunnerBuilder.java:111)
	at org.junit.runners.Suite.<init>(Suite.java:81)
	at org.junit.runner.Computer$2.<init>(Computer.java:33)
	at org.junit.runner.Computer.getSuite(Computer.java:28)
	at org.junit.runner.Request.classes(Request.java:77)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.createRequestAndRun(JUnitCoreWrapper.java:126)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.executeEager(JUnitCoreWrapper.java:107)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:83)
	at org.apache.maven.surefire.junitcore.JUnitCoreWrapper.execute(JUnitCoreWrapper.java:75)
	at org.apache.maven.surefire.junitcore.JUnitCoreProvider.invoke(JUnitCoreProvider.java:158)
	at org.apache.maven.surefire.booter.ForkedBooter.invokeProviderInSameClassLoader(ForkedBooter.java:384)
	at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:345)
	at org.apache.maven.surefire.booter.ForkedBooter.execute(ForkedBooter.java:126)
	at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:418)
ERROR StatusLogger Reconfiguration failed: No configuration found for '55054057' at 'null' in 'null'