Issue #4907 - close websocket suspendState if close frame is received #4912
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Closes #4907
Fixes flaky test
SuspendResumeTest.testSuspendAfterClose()
.If a close frame is received we must close the suspend state so any subsequent calls to
suspend()
andresume()
will throwIllegalStateException
.The transition to the close state must be done both when receiving a close frame before the
WebSocketFrameListener
is called, and in the case when we never received a close frame but the connection has been closed.