Fix a QUIC end_to_end test when some flags are enabled
Fix a QUIC end_to_end test when some flags are enabled

gfe-relnote: n/a, test-only
PiperOrigin-RevId: 260975943
Change-Id: I12f33e43b3ad9323cd6a4437f77d6edf47a6b3ba

google/quiche,google/quiche,google/quiche,google/quiche