add Gnosis test runner

[yerke26]

Fixes Closes Resolves #

Currently Nethermind BlockchainTestRunner and StateTestRunner does not support running gnosis tests. These changes supports running gnosis tests

Changes

• add new flag -g (gnosisTest) flag to Nethermind.Test.Runner,
• if -g flag exists then chainId = 100 for gnosis
• add GnosisSpecProvider

Types of changes

What types of changes does your code introduce?

• Bugfix (a non-breaking change that fixes an issue)
• New feature (a non-breaking change that adds functionality)
• Breaking change (a change that causes existing functionality not to work as expected)
• Optimization
• Refactoring
• Documentation update
• Build-related changes
• Other: Description

Testing

Requires testing

• Yes
• No

If yes, did you write tests?

• Yes
• No

Notes on testing

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Documentation

Requires documentation update

• Yes
• No

If yes, link the PR to the docs update or the issue with the details labeled docs. Remove if not applicable.

Requires explanation in Release Notes

• Yes
• No

If yes, fill in the details here. Remove if not applicable.

Remarks

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[LukaszRozmej]

Are gnosisBlockchainTest1.json and gnosisStateTest.json needed?

[yerke26]

Are gnosisBlockchainTest1.json and gnosisStateTest.json needed?

I'll add sample tests later, but for now I'll remove these files