test: migrate e2e/group to system tests (backport #22278)

[mergify]

Description

Closes: #22219

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Summary by CodeRabbit

• New Features

  • Introduced a new set of system tests for group commands, enhancing the testing of group creation, policies, and proposal functionalities within the blockchain application.

• Bug Fixes

  • Removed outdated end-to-end test files that were no longer necessary, streamlining the testing process.

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This is an automatic backport of pull request #22278 done by [Mergify](https://mergify.com).

[julienrbrt]

@akhilkumarpilli could you check this?

[akhilkumarpilli]

@akhilkumarpilli could you check this?

@julienrbrt it's just a log printed in tests for false test cases. TestChainUpgrade is failing and I think there is some issue with v0.50 testnet setup.

[julienrbrt]

@akhilkumarpilli could you check this?

@julienrbrt it's just a log printed in tests for false test cases. TestChainUpgrade is failing and I think there is some issue with v0.50 testnet setup.

okay, thanks I wasn't sure. Yes TestChainUpgrade needs to be fixed on v0.52 branch (#22146 (comment))