Frame Pallets: Clean a lot of test setups (#4642)
<img width="484" alt="Screenshot 2024-05-30 at 10 30 41"
src="https://github.com/paritytech/polkadot-sdk/assets/5588131/92ece1d0-cda3-46cf-9f46-4026c565b52d">
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Co-authored-by: Dónal Murray <[email protected]>