[ECO-4687][Protocol-2] Fix duplicate outgoing ATTACH msg #503

	on:
	pull_request:
	push:
	branches:
	- main

	jobs:
	check:
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	matrix:
	ruby: [ '2.7', '3.0', '3.1', '3.2', '3.3' ]
	protocol: [ 'json', 'msgpack' ]
	type: [ 'unit', 'acceptance' ]
	steps:
	- uses: actions/checkout@v2
	with:
	submodules: 'recursive'
	- uses: ruby/setup-ruby@v1
	with:
	ruby-version: ${{ matrix.ruby }}
	bundler-cache: true
	- name: 'Run ${{ matrix.type }} tests on ruby ${{ matrix.ruby }} (${{ matrix.protocol }} protocol)'
	env:
	PARALLEL_TEST_PROCESSORS: 2
	RSPEC_RETRY: true
	PROTOCOL: ${{ matrix.protocol }}
	TEST_TYPE: ${{ matrix.type }}
	RUBY_VERSION: ${{ matrix.ruby }}
	run: \|
	mkdir junit
	bundle exec parallel_rspec --prefix-output-with-test-env-number --first-is-1 -- spec/${{ matrix.type }}
	- uses: actions/upload-artifact@v3
	with:
	path: \|
	junit/
	coverage/
	retention-days: 7
	- name: Upload test results
	if: always()
	uses: ably/test-observability-action@v1
	with:
	server-url: 'https://test-observability.herokuapp.com'
	server-auth: ${{ secrets.TEST_OBSERVABILITY_SERVER_AUTH_KEY }}
	path: 'junit/'
	- uses: coverallsapp/[email protected]
	with:
	github-token: ${{ secrets.GITHUB_TOKEN }}
	flag-name: ruby-${{ matrix.ruby }}-${{ matrix.protocol }}-${{ matrix.type }}
	parallel: true
	finish:
	needs: check
	runs-on: ubuntu-latest
	steps:
	- name: Coveralls Finished
	uses: coverallsapp/[email protected]
	with:
	github-token: ${{ secrets.github_token }}
	parallel-finished: true

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