docs: add testify %% escaping convention to AGENTS.md#316
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Testify assert functions only apply fmt.Sprintf when format args are passed (len(msgAndArgs) > 1). With a single message string, %% prints literally. This caused 6 incorrect test messages fixed in PR #314. Document the convention with correct/incorrect examples to prevent recurrence. Signed-off-by: Sebastien Tardif <sebtardif@ncf.ca>
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Add a testing convention for testify
%%escaping to prevent the bugfixed in PR #314 from recurring.
Testify
assert.*functions only applyfmt.Sprintfto the message whenlen(msgAndArgs) > 1. With a single message string (no format args),%%prints literally as
%%instead of%. This caused 6 incorrect testmessages across
chain_test.goandchange_filter_test.go.The convention documents when to use
%vs%%with examples.