fix flaky TestHandshakeCloseListener (#5140)

diff --git a/integrationtests/self/handshake_test.go b/integrationtests/self/handshake_test.go
index f3b9230c5d44773a96db79804aa4cce22727abe2..2db627136addebd3d4ea5fa1010cbb970f2a52d3 100644 (file)
--- a/integrationtests/self/handshake_test.go
+++ b/integrationtests/self/handshake_test.go
@@ -426,6 +426,8 @@ func testHandshakeCloseListener(t *testing.T, createListener func(*tls.Config) *
        conn, err := quic.Dial(ctx, newUDPConnLocalhost(t), ln.Addr(), getTLSClientConfig(), getQuicConfig(nil))
        require.NoError(t, err)
        defer conn.CloseWithError(0, "")
+       _, err = ln.Accept(ctx)
+       require.NoError(t, err)
 
        errChan := make(chan error, 1)
        go func() {