test: fix flaky router_test

tarantool / vshard

The new generation of sharding based on virtual buckets

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test: fix flaky router_test #406

Closed Serpentian closed 1 year ago

Serpentian commented 1 year ago

router_test.lua fails constantly on integration CI in tarantool with error 'Peer closed' after simulating unconfigured box. The reason for this problem is very unclear, but the following changes fix it.

Closes #403

NO_DOC=testfix