Make applied_simulation_filter optional in the query #110

	# GitHub Actions
	# This workflow will prepare the testing environment and run test cases

	name: Django Backend Test

	on: [pull_request, push]

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python 3.8
	uses: actions/setup-python@v2
	with:
	python-version: 3.8
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install flake8 pytest
	if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
	if [ -f optional-requirements.txt ]; then pip install -r optional-requirements.txt; fi
	- name: Setup environment and settings
	run: \|
	cp ./npsat_backend/local_settings_template.py ./npsat_backend/local_settings.py
	cp ./npsat_backend/databases_template.py ./npsat_backend/databases.py
	mkdir ../logs
	- name: Run migrations
	run: \|
	python manage.py makemigrations
	python manage.py migrate
	- name: Run tests
	run: python manage.py test

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