added unit test for uniqueness, fixed quoting bug #17

	name: Test DBT package

	on:
	push:
	branches: [ "main", "develop" ]

	permissions:
	contents: read

	defaults:
	run:
	working-directory: integration_tests

	jobs:
	test-duckdb:
	name: Test on DuckDB
	runs-on: ubuntu-latest
	#environment: production
	container:
	image: python:3.11

	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: pip install
	run: pip install dbt-core duckdb dbt-duckdb

	- name: Install DBT deps
	run: dbt deps --target duckdb

	- name: load test data
	run: dbt seed --target duckdb

	- name: dbt test
	run: dbt test --target duckdb

	test-postgres:
	name: Test on Postgres
	runs-on: ubuntu-latest
	#environment: production
	container:
	image: python:3.11

	# Service containers to run with `container-job`
	services:
	# Label used to access the service container
	postgres:
	# Docker Hub image
	image: postgres
	# Provide the password for postgres
	env:
	POSTGRES_PASSWORD: postgres

	steps:
	- name: Checkout
	uses: actions/checkout@v3

	- name: pip install
	run: pip install dbt-core duckdb dbt-postgres

	- name: Install DBT deps
	run: dbt deps --target postgres

	- name: load test data
	run: dbt seed --target postgres

	- name: dbt test
	run: dbt test --target postgres

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