Add test for subscribing during writes #3

	name: Bless the code

	on:
	push: {}
	pull_request:
	branches:
	- master
	- v1.0.0
	env:
	MIX_ENV: test
	ES_TARBALL: "ubuntu/EventStore-OSS-Linux-Ubuntu-18.04-v5.0.10.tar.gz"
	ES_VERSION: 4

	jobs:
	graph_conn:
	name: Build and test
	runs-on: ubuntu-latest
	strategy:
	matrix:
	elixir: ['1.9.4', '1.10.4', '1.11.3']
	erlang: ['22.3', '23.2']

	steps:
	- uses: actions/checkout@v2
	- name: Set up Elixir
	uses: erlef/setup-elixir@v1
	with:
	elixir-version: ${{ matrix.elixir }}
	otp-version: ${{ matrix.erlang }}
	- name: Restore dependencies cache
	uses: actions/cache@v2
	with:
	path: deps
	key: ${{ runner.os }}-deps-${{ matrix.elixir }}-${{ matrix.erlang }}-${{ hashFiles('mix.lock') }}
	restore-keys: ${{ runner.os }}-deps-${{ matrix.elixir }}-${{ matrix.erlang }}-
	- name: Install dependencies
	run: mix deps.get
	- name: Restore builds cache
	uses: actions/cache@v2
	with:
	path: _build/test
	key: ${{ runner.os }}-build_test-${{ matrix.elixir }}-${{ matrix.erlang }}-${{ hashFiles('mix.lock') }}
	restore-keys: ${{ runner.os }}-build_test-${{ matrix.elixir }}-${{ matrix.erlang }}-
	- name: Check warnings
	run: mix compile --warnings-as-errors --force
	- name: Check formatting
	run: mix format --check-formatted
	- name: Prepare EventStore
	run: \|
	wget https://raw.githubusercontent.com/EventStore/Downloads/master/${ES_TARBALL}
	tar xzvf EventStore*.tar.gz
	rm EventStore*.tar.gz
	cd EventStore* && ./run-node.sh --run-projections=all --start-standard-projections=true --mem-db 2>&1> eventstore.log &
	- name: Run tests
	run: mix test --cover

Provide feedback