Add some generic pipes (when specific values are unknown). #87

	name: Run tests

	on:
	push:
	branches:
	- master
	tags:
	- '*'
	pull_request:
	branches:
	- master

	release:
	types: ['prereleased', 'released']


	jobs:

	run-tests:
	runs-on: ubuntu-latest

	services:
	postgres:
	image: postgis/postgis:9.6-2.5
	env:
	POSTGRES_DB: qwat_test
	POSTGRES_PASSWORD: postgres
	ports:
	- 5432:5432
	options: >-
	--health-cmd pg_isready
	--health-interval 10s
	--health-timeout 5s
	--health-retries 5
	env:
	PGSERVICEFILE: ${{github.workspace}}/tests/pg_service.conf

	steps:

	- uses: actions/checkout@v3

	- name: Install PostgreSQL client
	run: \|
	sudo apt-get update
	sudo apt-get install --yes postgresql-client

	- name: Install Python dependencies
	run: pip install -r requirements.txt

	- name: Run tests
	run: tests/tests.sh

	- name: Run scalability tests
	run: tests/tests_scalability.sh -i 20

	- name: Run scalability tests multithreaded
	run: tests/tests_scalability_multithread.sh -i 20

	- name: Run upgrade tests
	run: tests/tests_upgrade.sh

Provide feedback