binary-merkle-tree: Do not spam test output (#5376)
The CI isn't happy with the amount of output:
https://gitlab.parity.io/parity/mirrors/polkadot-sdk/-/jobs/7035621/raw
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Co-authored-by: 
Shawn Tabrizi <[email protected]>
The CI isn't happy with the amount of output:
https://gitlab.parity.io/parity/mirrors/polkadot-sdk/-/jobs/7035621/raw
---------
Co-authored-by: Shawn Tabrizi <[email protected]>