Disable testTimeoutPerConnection on Windows (#45785)

* It appears this test that is specific to how the BSD network stack works
does randomly fail on Windows => disabling it since it's not clear that it
should work on Windows in a stable way
* Fixes #45777

test/framework/src/main/java/org/elasticsearch/transport/AbstractSimpleTransportTestCase.java

@@ -1907,8 +1907,7 @@ public abstract class AbstractSimpleTransportTestCase extends ESTestCase {
     }
 
     public void testTimeoutPerConnection() throws IOException {
-        assumeTrue("Works only on BSD network stacks and apparently windows",
-            Constants.MAC_OS_X || Constants.FREE_BSD || Constants.WINDOWS);
+        assumeTrue("Works only on BSD network stacks", Constants.MAC_OS_X || Constants.FREE_BSD);
         try (ServerSocket socket = new MockServerSocket()) {
             // note - this test uses backlog=1 which is implementation specific ie. it might not work on some TCP/IP stacks
             // on linux (at least newer ones) the listen(addr, backlog=1) should just ignore new connections if the queue is full which