Improve LlmIntentClassifier NLP coverage #993

Job	Run time
Backend Unit / Backend Unit (ubuntu-latest)	55s
Docs Governance / Docs Governance	12s
Backend Unit / Backend Unit (windows-latest)	1m 28s
API Integration / API Integration (windows-latest)	1m 58s
Container Images / Container Images	1m 17s
Frontend Unit / Frontend Unit (ubuntu-latest)	1m 26s
Backend Architecture / Backend Architecture	21s
API Integration / API Integration (ubuntu-latest)	1m 43s
Frontend Unit / Frontend Unit (windows-latest)	2m 42s
E2E Smoke / E2E Smoke	2m 7s
	14m 9s

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