e2e tests for Gov2 (#2944)

* Fellowship e2e tests

* fixes

* fixe wrong result

* Update parachains/integration-tests/e2e/collectives/README.md

* Apply suggestions from code review

Co-authored-by: Squirrel <[email protected]>

* fixes

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Co-authored-by: joe petrowski <[email protected]>
Co-authored-by: Squirrel <[email protected]>