Add the testring entry to the readme

README.md

@@ -130,6 +130,32 @@ zksync dockerhub-push
   zksync db-tests
   ```
 
+## Testing
+
+- Running all the `rust` tests:
+
+  ```sh
+  f cargo test
+  ```
+
+- Running the database tests:
+
+  ```sh
+  zksync db-tests
+  ```
+- Running the integration test:
+  ```sh
+  zksync server # Has to be run in the 1st terminal
+  zksync prover # Has to be run in the 2nd terminal
+  zksync integration-simple # Has to be run in the 3rd terminal
+  ```
+
+- Running the benchmarks:
+
+  ```sh
+  f cargo bench
+  ```
+
 ## Generating keys
 
 To generate a proving key, from `server` dir run: