Run xgboost notebook tests

[jlewi]

Need to setup the notebook tests for xgboost

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[jlewi]

Runs are failing looks like a bug is failing we are missing a trailing ""

 pytest run_notebook_test.py \
    --log-cli-level=info \
    --log-cli-format='%(levelname)s|%(asctime)s|%(pathname)s|%(lineno)d| %(message)s' \
    --timeout=1800 \
    --junitxml=/workspace/artifacts/junit_notebook.xml \
    --notebook_path=/src/notebook-repo/$(inputs.params.notebook-path) \
    --test-target-name=$(inputs.params.test-target-name) \
    --artifacts-gcs=$(inputs.params.notebook-output) \
    --image_file=$(inputs.params.artifacts-gcs)/image.yaml
    --namespace=$(inputs.params.nb-namespace)

[jlewi]

The test is running on master:
Its being reported as a success but an exception is actually occuring.
If you look at the notebook there is a problem submitting pipelines
https://storage.googleapis.com/kubernetes-jenkins/logs/kubeflow-gcp-blueprints-periodic-master/1282789521116631041/artifacts/junit_xgboost-notebook/xgboost_test

[jtfogarty]

/priority p1