Refactor new filters tests to use single feature set

[Cali0707]

Fixes #7396

Proposed Changes

• Pass in a function which installs a broker in a given feature instead of installing it in the environment
• Put all of the features into one feature set so that future dependency sync PRs to ekb will add them to the ekb tests automatically

[Cali0707]

/cc @pierDipi @Leo6Leo @creydr

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (c8f4624) 76.74% compared to head (3a57587) 76.74%.
Report is 41 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #7424   +/-   ##
=======================================
  Coverage   76.74%   76.74%           
=======================================
  Files         253      253           
  Lines       13916    13916           
=======================================
  Hits        10680    10680           
  Misses       2702     2702           
  Partials      534      534           

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[Leo6Leo]

I didn't see any problem in the PR.

[Cali0707]

/test reconciler-tests

[pierDipi]

/lgtm
/approve

[knative-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: Cali0707, pierDipi

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[Cali0707]

/retest-required