Missing directions/masses in Walk and Tamborra models #481

	# This is a basic workflow to help you get started with Actions

	name: tests

	# Controls when the action will run. Triggers the workflow on push or pull request
	# events but only for the master branch
	on:
	push:
	branches: [ main ]
	pull_request:
	branches: [ main ]

	# A workflow run is made up of one or more jobs that can run sequentially or in parallel
	jobs:
	# This workflow contains a single job called "build"
	build:
	# The type of runner that the job will run on.
	runs-on: ubuntu-latest
	strategy:
	# Add a list of python versions we want to use for testing.
	matrix:
	python-version: ['3.7', '3.8', '3.9', '3.10']

	# Steps represent a sequence of tasks that will be executed as part of the job
	steps:
	# Checks-out your repository under $GITHUB_WORKSPACE, so your job can access it
	- uses: actions/checkout@v2

	# Set up the Python environment and dependencies
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install pytest
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	- name: Install SNEWPY
	run: \|
	python setup.py install --user

	# Run the unit tests
	- name: Test with pytest
	run: \|
	pytest -m 'not snowglobes'

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