Add IF_EXISTS and IF_NOT_EXISTS tokens to common creation and drop statement #278

	name: run unit tests

	on:
	pull_request:

	jobs:
	test:
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]
	python-version: [3.7,3.8]
	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v2
	with:
	python-version: ${{ matrix.python-version }}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	pip install --no-cache-dir -e .[test]
	- name: Run unit tests
	run: pytest -v
	shell: bash

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