test: mark the remaining h3 batch tests flaky so one handshake flake does not fail CI

test/flaky-tests.txt

@@ -62,9 +62,11 @@ test/js/bun/http/proxy-stress-concurrent.test.ts  # 1 of 80 builds; mac
 test/js/bun/http/proxy.test.js  # 3 of 80 builds; parallel batch; should use proxy when NO_PROXY has different port: expect(received).toBe(expected) (in...
 test/js/bun/http/proxy.test.ts  # 1 of 80 builds; parallel batch; https target (CONNECT): expect(received).toBe(expected)
 test/js/bun/http/request-smuggling.test.ts  # 3 of 80 builds; mac
+test/js/bun/http/serve-direct-readable-stream.test.ts  # h3 case in the parallel batch: HTTP3HandshakeFailed (build 108109); passes alone
 test/js/bun/http/serve-http2-lifecycle.test.ts  # stop with a stream open on each: test timed out (17 of the last 20 failures), HTTP3HandshakeFailed (2 of 20); PING frames do not keep a connection alive: no GOAWAY before the close (1 of 20)
 test/js/bun/http/serve-http2.test.ts  # 4 of 80 builds; parallel batch; 2 MB request body streamed to the handler (WINDOW_UPDATE path): expect(received).toBe(...
 test/js/bun/http/serve-http3.test.ts  # 3 of 80 builds; mac, windows
+test/js/bun/http/serve-protocols.test.ts  # h3 cases in the parallel batch: HTTP3HandshakeFailed (builds 107194, 108378, 110131, 110298); passes alone
 test/js/bun/http/serve-stream-body-error.test.ts  # 1 of 80 builds; start-async-reject: the rejection is handled and the error is still reported: expect(r...
 test/js/bun/http/serve.test.ts  # 4 of 80 builds; mac
 test/js/bun/io/bun-write.test.js  # 1 of 80 builds; parallel batch; Bun.write() without uv_fs_copyfile: test timed out
@@ -88,6 +90,7 @@ test/js/bun/spawn/spawn-ipc-gc.test.ts  # 1 of 80 builds; Subprocess with ipc is
 test/js/bun/spawn/spawn-maxbuf.test.ts  # 2 of 80 builds; windows, debian
 test/js/bun/spawn/spawn-stdin-readable-stream.test.ts  # 1 of 80 builds; debian
 test/js/bun/spawn/spawnsync-isolated-event-loop.test.ts  # 39 of 80 builds; spawnSync under GC pressure with a worker and a server keeps the main loop balanced and...
+test/js/bun/stream/direct-readable-stream.test.tsx  # h3 cases in the parallel batch: HTTP3HandshakeFailed (builds 107619, 109428, 110120, 110599); passes alone
 test/js/bun/test/done-async.test.ts  # 2 of 80 builds; parallel batch; done() causes the test to fail when it should: expect(received).toBe(expected) (in the...
 test/js/bun/test/expect-assertions.test.ts  # 4 of 80 builds; parallel batch; expect.assertions causes the test to fail when it should: expect(received).toBe(expect...
 test/js/bun/test/parallel/test-docker-build-alpine.ts  # 1 of 80 builds; ubuntu
@@ -142,6 +145,7 @@ test/js/web/fetch/abort-signal-leak.test.ts  # 4 of 80 builds; parallel batch; '
 test/js/web/fetch/body.test.ts  # 10 of 80 builds; rejects a fetch textStream() when the connection drops after an empty decode: expect(r...
 test/js/web/fetch/fetch-backpressure.test.ts  # stalled no consumer drains the full body: test timed out (16 builds). The stall gate needs 512 KiB of socket buffers; #41014 lowers it to the client high-water mark
 test/js/web/fetch/fetch-gzip.test.ts  # 2 of 80 builds; parallel batch; BUN_FEATURE_FLAG_NO_LIBDEFLATE=0: expect(received).toEqual(expected) (in the parallel ...
+test/js/web/fetch/fetch-http3-adversarial.test.ts  # h3 cases in the parallel batch: HTTP3HandshakeFailed (builds 92885, 108460, 109304, 109337, 110280); passes alone
 test/js/web/fetch/fetch-http3-client.test.ts  # 3 of 80 builds; mac
 test/js/web/fetch/fetch-http3-cold-post.test.ts  # 1 of 80 builds; large first request on a cold connection does not strand the TLS Finished: expect(rece...
 test/js/web/fetch/fetch-leak.test.ts  # 35 of 80 builds; should not leak using readable stream: RSS sample 45.6 MB under the 47.2 MB floor; Requ...