Flaky test: TestAccountCheckWindowSizeWithLargeWindow.

https://github.com/grpc/grpc-go/actions/runs/24394679788/job/71249380928?pr=8974 <details> <summary> logs </summary> ``` FAIL: Test (26.61s) --- FAIL: Test/AccountCheckWindowSizeWithLargeWindow (13.83s) transport_test.go:1822: Error on client while reading data frame header 4 on stream 5: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:163: Error on server while reading data header: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:1822: Error on client while reading data frame header 4 on stream 7: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:1822: Error on client while reading data frame header 4 on stream 1: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:1822: Error on client while reading data frame header 5 on stream 9: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:1822: Error on client while reading data frame header 5 on stream 3: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:1859: Client expected an EOF from the server. Got: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:163: Error on server while reading data header: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:163: Error on server while reading data header: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:170: Error on server while reading message: rpc error: code = DeadlineExceeded desc = context deadline exceeded transport_test.go:163: Error on server while reading data header: rpc error: code = DeadlineExceeded desc = context deadline exceeded FAIL FAIL google.golang.org/grpc/internal/transport 38.583s ``` </details>