The tests expects UnknowHostException but gets SocketTimeoutException instead. The suspicion is that it wasn't able to connect to the SocksServer.

java.net.SocketTimeoutException
at java.base/java.net.SocksSocketImpl.remainingMillis(SocksSocketImpl.java:93)
at java.base/java.net.SocksSocketImpl.readSocksReply(SocksSocketImpl.java:103)
at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:347)
at java.base/java.net.Socket.connect(Socket.java:668)
at SocksV4Test.UHETest(SocksV4Test.java:105)
at SocksV4Test.main(SocksV4Test.java:51)