Fix SendLargeCyclesTxToRelay spec on slow machine

[chenyukang]

What problem does this PR solve?

Fix the failure on MacOs Github CI.

What is changed and how it works?

The root cause is on slow machine, like Github MacOS CI server, it will cost almost 8 seconds to finish IBD stage, in spec SendLargeCyclesTxToRelay when the relay message is sent from node1 to node0, node0 may still in IBD mode, so tx is not synced.

Related changes

• PR to update owner/repo:
• Need to cherry-pick to the release branch

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code ci-runs-only: [ quick_checks,linters ]

Release note

None: Exclude this PR from the release note.