add NLS_DATE_FORMAT for Oracle #540

	name: unit-tests
	on:
	workflow_dispatch:
	pull_request:
	concurrency:
	group: ${{ github.workflow }}-${{ github.event.pull_request.number \|\| github.ref }}
	cancel-in-progress: true
	jobs:
	unit-tests:
	runs-on: ubuntu-latest
	timeout-minutes: 10

	steps:
	- name: Check out repository code
	uses: actions/checkout@v3

	# Setup Python (faster than using Python container)
	- name: Setup Python
	uses: actions/setup-python@v4
	with:
	python-version: "3.8"

	- name: Install dependencies
	run: \|
	cd core
	pip install wheel
	CASS_DRIVER_NO_CYTHON=1 pip install cassandra-driver
	pip install .
	pip install .[test]

	- name: Run tests
	run: \|
	cd core
	PYTHONPATH=src python -m pytest -s --log-cli-level=DEBUG

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