Add set_system_time function #96

	name: ci

	on: [push, pull_request]

	env:
	CI: true
	PGHOST: localhost
	PGPORT: 5432
	PGUSER: postgres
	PGPASSWORD: postgres

	jobs:
	test:
	runs-on: ubuntu-latest

	services:
	postgres:
	image: ${{ matrix.pg }}
	env:
	POSTGRES_PASSWORD: postgres
	# 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

	strategy:
	matrix:
	pg: ["postgres:9.5-alpine", "postgres:9.6-alpine", "postgres:10-alpine", "postgres:11-alpine", "postgres:12-alpine", "postgres:13-alpine"]

	steps:
	- uses: actions/checkout@v4

	- name: Run tests
	run: \|
	make run_test

	- name: Run tests no check
	run: \|
	make run_test_nochecks

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