## Issue Addressed
Recent changes to the Nethermind codebase removed the `rocksdb` git submodule in favour of a `nuget` package.
This appears to have broken our ability to build the latest release of Nethermind inside our integration tests.
## Proposed Changes
~Temporarily pin the version used for the Nethermind integration tests to `master`. This ensures we use the packaged version of `rocksdb`. This is only necessary until a new release of Nethermind is available.~
Use `git submodule update --init --recursive` to ensure the required submodules are pulled before building.
Co-authored-by: Diva M <divma@protonmail.com>
## Issue Addressed
Currently the execution-engine-integration test uses latest master for nethermind and geth, and right now the test fails using the latest unreleased commits.
## Proposed Changes
Fix the nethermind and geth revisions the test uses to the latest tag in each repo. This way we are not continuously testing unreleased code, which might even get reverted, and reduce the failures only to releases in each one.
Also improve error handling of the commands used to manage the git repos.
## Additional Info
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Co-authored-by: Michael Sproul <micsproul@gmail.com>
