[FEATURE] Set up test machine linux

[miguelgfierro]

Description

from https://github.com/microsoft/recommenders/tree/master/tests

Make sure all tests pass:

Unit:

• pytest tests/unit -m "not notebooks and not spark and not gpu" --durations 0
• pytest tests/unit -m "notebooks and not spark and not gpu"
• pytest tests/unit -m "not notebooks and not spark and gpu"
• pytest tests/unit -m "notebooks and not spark and gpu"
• pytest tests/unit -m "not notebooks and spark and not gpu"
• pytest tests/unit -m "notebooks and spark and not gpu"

Smoke:

• pytest tests/smoke -m "smoke and not spark and not gpu" --durations 0
• pytest tests/smoke -m "smoke and not spark and gpu" --durations 0
• pytest tests/smoke -m "smoke and spark and not gpu" --durations 0

Integration:

• pytest tests/integration -m "integration and not spark and not gpu" --durations 0
• pytest tests/integration -m "integration and not spark and gpu" --durations 0
• pytest tests/integration -m "integration and spark and not gpu" --durations 0

Expected behavior with the suggested feature

Other Comments

[miguelgfierro]

• dsvm_unit_linux_cpu https://dev.azure.com/best-practices/recommenders/_build/results?buildId=42333&view=logs&j=269cc026-2cfa-5d4b-840c-957b70805a10&t=d3c91585-83b7-5d2f-b3be-3a458c0f54d4
• dsvm_unit_linux_gpu https://dev.azure.com/best-practices/recommenders/_build/results?buildId=42276&view=results
• dsvm_unit_linux_pyspark https://dev.azure.com/best-practices/recommenders/_build/results?buildId=42281
• dsvm_notebook_linux_cpu https://dev.azure.com/best-practices/recommenders/_build/results?buildId=42282&view=results
• dsvm_notebook_linux_gpu https://dev.azure.com/best-practices/recommenders/_build?definitionId=78&_a=summary
• dsvm_notebook_linux_pyspark https://dev.azure.com/best-practices/recommenders/_build/results?buildId=42291&view=results
• dsvm_nightly_linux_cpu https://dev.azure.com/best-practices/recommenders/_build/results?buildId=42303&view=results
• dsvm_nightly_linux_gpu
• dsvm_nightly_linux_pyspark

[miguelgfierro]

issue with cudnn on dsvm_nightly_linux_gpu

https://dev.azure.com/best-practices/recommenders/_build/results?buildId=42317&view=logs&j=513fa82f-6bf5-5d01-2457-cb22781e601b&t=9e260265-5f8c-5335-1126-375960d54d1f