Created unit tests for all previously defined MIRA operations. Added new MIRA operations and most of their unit tests as well. Fixed several bugsa as well. #1944

	name: Tests

	on: [push, pull_request]

	jobs:
	tests:
	name: Tests
	runs-on: ubuntu-latest
	strategy:
	matrix:
	python-version: [ "3.8", "3.10" ]
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	sudo apt-get install graphviz libgraphviz-dev
	pip install --upgrade pip setuptools wheel
	pip install "tox<4.0.0"
	- name: Test with pytest
	run: \|
	export MIRA_REST_URL=http://34.230.33.149:8771
	tox -e py
	# - name: Upload coverage report to codecov
	# uses: codecov/codecov-action@v1
	# if: success()
	# with:
	# file: coverage.xml

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