Commit 13fa80ed authored by Committed by Ondřej Surý
Address timing issues in 'inline' system test.
"rndc signing -serial <value>" could take longer than a second to complete. Loop waiting for update to succeed. For tests where "rndc signing -serial <value>" is supposed to not succeed, repeatedly test that we don't get the new serial, then test that we have the old value. This should prevent false negatives.
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