use environment variables for setting the ref and testv folders

import tempfile

import pytest

import os

import filecmp

from pathlib import Path

import subprocess

from .constants import OUTPUT_MODES_AND_OPTIONS_FOR_EXPERIMENT

HERE = Path(__file__).parent

TESTV_PATH = HERE.joinpath("testv")

REF_PATH = HERE.joinpath("ref")

# set environment variables in CI job

# need to wrap in path again as env var is string

TESTV_PATH = Path(os.environ.get("SELECTION_BE_TESTV_DIR", HERE.joinpath("testv")))

REF_PATH = Path(os.environ.get("SELECTION_BE_REF_DIR", HERE.joinpath("ref")))

DUT_PATH = HERE.joinpath("dut")

ISM_NUM_FOR_EXP = {