Add a test document at /test/test_guide.md (#4) #5

	name: SPEAR-TEST

	on: push

	jobs:
	Spear-build:
	name: make and run Spear DEMO
	runs-on: ubuntu-latest
	steps:
	- name: Read warehouse contents
	uses: actions/checkout@v4

	- name: Set up Go
	uses: actions/setup-go@v4
	with:
	go-version: '1.23' # 请根据需要选择合适的 Go 版本

	- name: Verify Go version
	run: go version

	- name: Set up Python
	uses: actions/setup-python@v4
	with:
	python-version: '3.13'

	- name: Verify Python version
	run: python --version

	- name: Install Python dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install build

	- name: Install dependencies and compile files
	run: \|
	sudo apt install portaudio19-dev libx11-dev libxtst-dev
	curl -fsSL https://get.docker.com -o get-docker.sh
	sudo sh get-docker.sh
	make

	- name: Set environment variables and run test program
	run: \|
	ip_address=$(ip addr show eth0 \| grep -oP 'inet \K[\d.]+')
	echo "IP Address: $ip_address"
	export SPEAR_RPC_ADDR=$ip_address
	echo "SPEAR_RPC_ADDR=$ip_address" >> $GITHUB_ENV
	OPENAI_API_KEY=${{ secrets.OPENAI_API_KEY }}
	HUGGINGFACEHUB_API_TOKEN=${{ secrets.HUGGINGFACEHUB_API_TOKEN }}
	export OPENAI_API_KEY=${{ secrets.OPENAI_API_KEY }}
	export HUGGINGFACEHUB_API_TOKEN=${{ secrets.HUGGINGFACEHUB_API_TOKEN }}
	echo "SPEAR_RPC_ADDR=$ip_address" >> $GITHUB_ENV
	echo "OPENAI_API_KEY=${{ secrets.OPENAI_API_KEY }}" >> $GITHUB_ENV
	echo "HUGGINGFACEHUB_API_TOKEN=${{ secrets.HUGGINGFACEHUB_API_TOKEN }}" >> $GITHUB_ENV
	go test -v ./test/simple_req_test.go

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