Fix send-message-helpers test: include questionIndex in test input #5596

Job	Run time
build-and-check	2m 43s
test-integration-packages/internal	1m 9s
test-integration-packages/billing	1m 8s
test-integration-web	41s
test-integration-packages/agent-runtime	39s
test-integration-sdk	38s
test-integration-common	45s
test-common	45s
test-integration-cli	35s
test-packages/billing	47s
test-packages/agent-runtime	50s
test-packages/internal	42s
test-web	45s
test-cli	51s
test-sdk	1m 17s
test-.agents	39s
	14m 54s

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