[v1.x] Rearrange ONNX tests in Nightly CI

[waytrue17]

Description

Rearrange ONNX tests in Nightly CI to reduce test time and fix timeout issue: https://jenkins.mxnet-ci.amazon-ml.com/blue/organizations/jenkins/NightlyTestsForBinaries/detail/v1.x/14/pipeline/103. Added pytest.ini to document pytest markers

Checklist

Essentials

• PR's title starts with a category (e.g. [BUGFIX], [MODEL], [TUTORIAL], [FEATURE], [DOC], etc)
• Changes are complete (i.e. I finished coding on this PR)
• All changes have test coverage
• Code is well-documented

Changes

• Feature1, tests, (and when applicable, API doc)
• Feature2, tests, (and when applicable, API doc)

Comments

• If this change is a backward incompatible change, why must this change be made.
• Interesting edge cases to note here

[mxnet-bot]

Hey @waytrue17 , Thanks for submitting the PR
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[josephevans]

LGTM, thanks!

[szha]

I think we can use pytest.ini for documenting the tags. Here's the one we are using on the master branch but I didn't find it in 1.x. https://github.com/apache/incubator-mxnet/blob/master/pytest.ini

[waytrue17]

I think we can use pytest.ini for documenting the tags. Here's the one we are using on the master branch but I didn't find it in 1.x. https://github.com/apache/incubator-mxnet/blob/master/pytest.ini

Added pytest.ini in v1.x

[waytrue17]

@mxnet-bot run ci [unix-cpu, unix-gpu]

[mxnet-bot]

Jenkins CI successfully triggered : [website]

[mxnet-bot]

Jenkins CI successfully triggered : [unix-cpu, unix-gpu, centos-gpu]

[mxnet-bot]

Jenkins CI successfully triggered : [unix-gpu, unix-cpu]