[GSoC] Add unit tests for `tune` API #2112

	name: Python Test

	on:
	pull_request:
	paths-ignore:
	- "pkg/ui/v1beta1/frontend/**"

	concurrency:
	group: ${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	jobs:
	test:
	name: Test
	runs-on: ubuntu-22.04

	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.11

	- name: Install Katib SDK
	shell: bash
	run: pip install --prefer-binary -e sdk/python/v1beta1

	- name: Install Training Operator SDK
	shell: bash
	run: \|
	pip install git+https://github.com/kubeflow/[email protected]#subdirectory=sdk/python
	pip install peft==0.3.0 datasets==2.15.0 transformers==4.38.0

	- name: Run Python test
	run: make pytest

	# The skopt service doesn't work appropriately with Python 3.11.
	# So, we need to run the test with Python 3.9.
	# TODO (tenzen-y): Once we stop to support skopt, we can remove this test.
	# REF: https://github.com/kubeflow/katib/issues/2280
	test-skopt:
	name: Test Skopt
	runs-on: ubuntu-22.04

	steps:
	- name: Check out code
	uses: actions/checkout@v4

	- name: Setup Python
	uses: actions/setup-python@v5
	with:
	python-version: 3.9

	- name: Run Python test
	run: make pytest-skopt

Provide feedback