test(nl2agent): add UT and ST tests for agent_builder module
Refs: #573
Co-authored-by: chenyan<chenyan264@huawei.com>
# message auto-generated for no-merge-commit merge:
!784 feat: add UT and ST tests for agent_builder module
From: @dev_chenyan
Reviewed-by: @deyang, @yangzequ
See merge request: openJiuwen/agent-core!784