Fix flakiness in `TestDisruptions` for two pc testing (#17106) #400

Job	Run time
Build and push lite (latest)	4m 10s
Build and push lite (percona80)	4m 22s
Build and push vttestserver (mysql80)	2m 34s
Build and push (bullseye, vtadmin)	1m 22s
Build and push (bullseye, vtorc)	50s
Build and push (bullseye, vtgate)	47s
Build and push (bullseye, vttablet)	57s
Build and push (bullseye, mysqlctld)	54s
Build and push (bullseye, mysqlctl)	41s
Build and push (bullseye, vtctl)	49s
Build and push (bullseye, vtctlclient)	47s
Build and push (bullseye, vtctld)	1m 38s
Build and push (bullseye, vtctldclient)	50s
Build and push (bullseye, logrotate)	30s
Build and push (bullseye, logtail)	28s
Build and push (bullseye, vtbackup)	49s
Build and push (bullseye, vtexplain)	56s
Build and push (bookworm, vtadmin)	1m 25s
Build and push (bookworm, vtorc)	52s
Build and push (bookworm, vtgate)	46s
Build and push (bookworm, vttablet)	1m 1s
Build and push (bookworm, mysqlctld)	56s
Build and push (bookworm, mysqlctl)	51s
Build and push (bookworm, vtctl)	58s
Build and push (bookworm, vtctlclient)	52s
Build and push (bookworm, vtctld)	1m 48s
Build and push (bookworm, vtctldclient)	54s
Build and push (bookworm, logrotate)	36s
Build and push (bookworm, logtail)	34s
Build and push (bookworm, vtbackup)	50s
Build and push (bookworm, vtexplain)	49s
Slack Notification if failed	0s
	36m 36s

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