Skip flaky transport test (#8295)

Author: mikaelm12

src/SignalR/clients/java/signalr/src/test/java/com/microsoft/signalr/HubConnectionTest.java

@@ -16,6 +16,7 @@
 
 import io.reactivex.subjects.PublishSubject;
 import io.reactivex.subjects.ReplaySubject;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 
 import io.reactivex.Observable;
@@ -1494,6 +1495,7 @@ public void afterSuccessfulNegotiateConnectsWithLongPollingTransport() {
         assertEquals("{\"protocol\":\"json\",\"version\":1}" + RECORD_SEPARATOR, sentMessages[0]);
     }
 
+    @Disabled("https://github.com/aspnet/AspNetCore/issues/8262")
     @Test
     public void TransportAllUsesLongPollingWhenServerOnlySupportLongPolling() {
         AtomicInteger requestCount = new AtomicInteger(0);