Fix namespace reference in Integration Test docs

[gmfrasca]

The issue resolved by this Pull Request:

Resolves #annonyance

Description of your changes:

Fix doc to refer to correct namespace operator is deployed to by default

Testing instructions

(proof)read the docs :)

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

[HumairAK]

/lgtm
/approve

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: HumairAK

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files:

• OWNERS [HumairAK]

Approvers can indicate their approval by writing /approve in a comment
Approvers can cancel approval by writing /approve cancel in a comment