fix: set cargo config test threads to 1 #3

	name: CI

	on: [push, pull_request]

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: 1

	jobs:
	fmt:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: fmt
	run: cargo fmt --check --all
	clippy:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3
	- name: clippy
	run: cargo clippy --all-targets
	test:
	runs-on: ubuntu-latest
	services:
	postgres:
	# Docker Hub image
	image: postgres
	# Provide the password for postgres
	env:
	POSTGRES_PASSWORD: mysecretpassword
	# Set health checks to wait until postgres has started
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	ports:
	- 5432:5432
	steps:
	- uses: actions/checkout@v3
	- name: test
	run: cargo test -- --nocapture --test-threads=1

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