Add tests for DSP experiments

[DharmitD]

Adding end to end tests for the Data Science Pipelines Operator / Application that test experiments

Relevant PR: opendatahub-io/data-science-pipelines-operator#95

Description

How Has This Been Tested?

• Deploy a DSPA instance
• Run the following commands:
  • make build -- to create the test container image
  • make run TESTS_REGEX=ml-pipelines
    • This will run the container image locally
    • It will further apply the kfdef defined in the kfctl_openshift.yaml file.
    • If you have the kfdef installed already, you can run this instead:
      make run SKIP_INSTALL=true SKIP_KFDEF_INSTALL=true

Merge criteria:

• The commits are squashed in a cohesive manner and have meaningful messages.
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has manually tested the changes and verified that the changes work

[DharmitD]

/test odh-manifests-e2e

[rimolive]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: gmfrasca, VaishnaviHire

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