MongoDB functional tests don't start

java.lang.NullPointerException
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at org.nuxeo.launcher.config.backingservices.DBCheck.lookupDriver(DBCheck.java:178)
    at org.nuxeo.launcher.config.backingservices.DBCheck.checkDatabaseConnection(DBCheck.java:126)
    at org.nuxeo.launcher.config.backingservices.DBCheck.check(DBCheck.java:73)
    at org.nuxeo.launcher.config.BackingServiceConfigurator.lambda$verifyInstallation$2(BackingServiceConfigurator.java:102)
    at net.jodah.failsafe.Functions$10.call(Functions.java:252)
    at net.jodah.failsafe.SyncFailsafe.call(SyncFailsafe.java:145)
    at net.jodah.failsafe.SyncFailsafe.run(SyncFailsafe.java:81)
    at org.nuxeo.launcher.config.BackingServiceConfigurator.verifyInstallation(BackingServiceConfigurator.java:102)
    at org.nuxeo.launcher.config.ConfigurationGenerator.verifyInstallation(ConfigurationGenerator.java:1280)
    at org.nuxeo.launcher.NuxeoLauncher.doStart(NuxeoLauncher.java:2048)
    at org.nuxeo.launcher.NuxeoLauncher.doStartAndWait(NuxeoLauncher.java:1921)
    at org.nuxeo.launcher.NuxeoLauncher.doStartAndWait(NuxeoLauncher.java:1882)
    at org.nuxeo.launcher.NuxeoLauncher.launch(NuxeoLauncher.java:1159)
    at org.nuxeo.launcher.NuxeoLauncher.main(NuxeoLauncher.java:1110)