Revert "[UNDERTOW-2279] Re-enable LotsOfHeadersResponseTestCase in Wi…

…ndows"

The tests were disabled in CI by mistake and this prevented us seeing that those tests still need to be fixed so they can work in Windows

This reverts commit abc70e2.

core/src/test/java/io/undertow/server/handlers/LotsOfHeadersResponseTestCase.java

@@ -67,6 +67,8 @@ public void handleRequest(final HttpServerExchange exchange) {
 
     @Test
     public void testLotsOfHeadersInResponse() throws IOException {
+        // FIXME UNDERTOW-2279
+        Assume.assumeFalse(System.getProperty("os.name").startsWith("Windows"));
         TestHttpClient client = new TestHttpClient();
         try {
             HttpGet get = new HttpGet(DefaultServer.getDefaultServerURL() + "/path");