Improve LlmIntentClassifier NLP coverage #1001

Job	Run time
Backend Unit / Backend Unit (windows-latest)	3m 30s
API Integration / API Integration (windows-latest)	2m 52s
Backend Unit / Backend Unit (ubuntu-latest)	56s
Frontend Unit / Frontend Unit (windows-latest)	2m 35s
Frontend Unit / Frontend Unit (ubuntu-latest)	1m 17s
API Integration / API Integration (ubuntu-latest)	1m 32s
Container Images / Container Images	1m 15s
Backend Architecture / Backend Architecture	23s
Docs Governance / Docs Governance	9s
E2E Smoke / E2E Smoke	2m 9s
	16m 38s

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