fix tests, update installation instructions, add case study #2

	name: MacOS Build with conda
	on:
	push:
	pull_request:

	jobs:
	create-env:
	name: Testing conda env (${{ matrix.python-version }}, ${{ matrix.os }})
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: ["macos-latest"]
	python-version: ["3.10","3.11","3.12"]
	defaults:
	run:
	shell: bash -l {0}

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Create environment with conda
	uses: conda-incubator/setup-miniconda@v3
	with:
	activate-environment: anaconda-client-env
	python-version: ${{ matrix.python-version }}
	auto-activate-base: false

	- name: Install graphviz
	run: \|
	brew install graphviz
	pip install --no-cache-dir \
	--config-settings="--global-option=build_ext" \
	--config-settings="--global-option=-I$(brew --prefix graphviz)/include/" \
	--config-settings="--global-option=-L$(brew --prefix graphviz)/lib/" \
	--use-pep517 \
	pygraphviz

	- name: Check conda
	run: \|
	conda info
	conda list

	- name: Add pdm
	run: pip install pdm

	- name: Install package
	run: pdm install

	- name: Try to use cached Spot
	id: cache-spot
	uses: actions/cache@v4
	with:
	path: spot-2.12
	key: ${{ runner.os }}-${{ matrix.python-version }}-spot-${{ hashFiles('get_spot.py') }}-${{ hashFiles('pyproject.toml') }}-conda
	- name: Install Spot
	if: steps.cache-spot.outputs.cache-hit == 'true'
	run: \|
	cd spot-2.12
	make install
	- name: Build and install Spot
	if: steps.cache-spot.outputs.cache-hit != 'true'
	run: \|
	pdm run python get_spot.py

	- name : Install Package for Testing
	run : conda install pytest

	- name : Run tests
	run : pdm run pytest -v tests

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