Integration of optimized keccak precompile

README.md

@@ -62,6 +62,16 @@ Once the audit for the release branch is complete and all the fixes from the aud
 
 Since scripts, READMEs, etc., are code that is not subject to audits, these are to be merged directly into the `main` branch. The rest of the release branches as well as the `dev` branch should merge `main` to synchronize with these changes.
 
+## Testing
+
+The tests of the system contracts utilize the zkSync test node. In order to run the tests, execute the following command in the root of hte repository:
+
+```
+bash ./scripts/quick-setup.sh
+```
+
+The `quick-setup.sh` script will proceeed to install all the necessary dependencies and will run the tests.
+
 ## License
 
 The zkSync Era system-contracts are distributed under the terms of the MIT license.