Add climate surface file for testing #46

	name: Testing

	on:
	push:
	branches: [ main ]
	pull_request:

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, macos-latest, windows-latest]
	python-version: [ 3.9, '3.10', 3.11, 3.12 ]
	steps:
	- uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: ${{ matrix.python-version }}

	- name: Display Python version
	run: python -c "import sys; print(sys.version)"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r ci/requirements.txt -r ci/test_requirements.txt

	- name: Install gempakIO
	run: \|
	python setup.py install

	- name: Test with pytest
	run: \|
	pytest

Provide feedback