Allow DSPO test suite be running with RHOAI

[diegolovison]

The issue resolved by this Pull Request:

Break down the solution for #RHOAIENG-10212 into smaller PRs to facilitate review.

Description of your changes:

The goal of test.sh --rhoai is to be to run the DSPO test suite with a previous RHOAI installed.

Testing instructions

• Have an OpenShift cluster with RHOAI installed and in the terminal do the following
• oc login ...
• export GIT_WORKSPACE=.....
• test.sh --rhoai

The output must be

--- PASS: TestIntegrationTestSuite (350.21s)
    --- PASS: TestIntegrationTestSuite/TestAPIServerDeployment (1.89s)
        --- PASS: TestIntegrationTestSuite/TestAPIServerDeployment/Should_successfully_fetch_pipelines (0.47s)
        --- PASS: TestIntegrationTestSuite/TestAPIServerDeployment/Should_successfully_upload_a_pipeline (0.91s)
        --- PASS: TestIntegrationTestSuite/TestAPIServerDeployment/Should_successfully_upload_a_pipeline_with_custom_pip_server (0.50s)
    --- PASS: TestIntegrationTestSuite/TestDSPADeployment (1.05s)
        --- PASS: TestIntegrationTestSuite/TestDSPADeployment/with_default_MariaDB_and_Minio (1.05s)
            --- PASS: TestIntegrationTestSuite/TestDSPADeployment/with_default_MariaDB_and_Minio/should_have_6_pods (0.45s)
            --- PASS: TestIntegrationTestSuite/TestDSPADeployment/with_default_MariaDB_and_Minio/should_have_a_ready_ds-pipeline-dspa-ext_deployment (0.30s)
            --- PASS: TestIntegrationTestSuite/TestDSPADeployment/with_default_MariaDB_and_Minio/should_have_a_ready_ds-pipeline-persistenceagent-dspa-ext_deployment (0.15s)
            --- PASS: TestIntegrationTestSuite/TestDSPADeployment/with_default_MariaDB_and_Minio/should_have_a_ready_ds-pipeline-scheduledworkflow-dspa-ext_deployment (0.15s)
    --- PASS: TestIntegrationTestSuite/TestFetchExperiments (0.15s)
        --- PASS: TestIntegrationTestSuite/TestFetchExperiments/Should_successfully_fetch_experiments (0.15s)
    --- PASS: TestIntegrationTestSuite/TestPipelineSuccessfulRun (327.14s)
        --- PASS: TestIntegrationTestSuite/TestPipelineSuccessfulRun/Should_create_a_Pipeline_Run (248.24s)
        --- PASS: TestIntegrationTestSuite/TestPipelineSuccessfulRun/Should_create_a_Pipeline_Run_using_custom_pip_server (78.90s)
PASS
ok  	github.com/opendatahub-io/data-science-pipelines-operator/tests	350.219s

Checklist

• 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

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[HumairAK]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: HumairAK

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• OWNERS [HumairAK]

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