Update test scripts and CI

[yijiasu-crypto]

Closes: #XXX

Description

This PR introduced a parallelized testing pattern to run all solidity tests in multiple threads (current max threads = 3) to reduce testing time cost.

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[fedekunze]

Nice 👍 thanks!

[fedekunze]

@yijiasu-crypto the third job takes more than 40 min to run, can you split the batches so that the tests are distributed uniformly

[yijiasu-crypto]

Yes. Going to update it a bit

[fedekunze]

Thanks @yijiasu-crypto 🙏

[fedekunze]

we should probably also get rid of the aragon test suite dependency