UndertowEmbeddedTest.testClientClosesEventSource() test fails with Undertow 2.2.16

[ERROR] Tests run: 11, Failures: 1, Errors: 0, Skipped: 0, Time elapsed: 23.144 s <<< FAILURE! - in org.apache.cxf.systest.jaxrs.sse.undertow.UndertowEmbeddedTest
[ERROR] testClientClosesEventSource(org.apache.cxf.systest.jaxrs.sse.undertow.UndertowEmbeddedTest)  Time elapsed: 2.565 s  <<< FAILURE!
java.lang.AssertionError: 

Expected: <true>
     but: was <false>

[INFO] 
[INFO] Results:
[INFO] 
[ERROR] Failures: 
[ERROR]   UndertowEmbeddedTest>AbstractSseTest.testClientClosesEventSource:321 
Expected: <true>
     but: was <false>
[INFO] 
[ERROR] Tests run: 11, Failures: 1, Errors: 0, Skipped: 0