readme: move text about running network-tests to top readme

README.md

@@ -105,6 +105,14 @@ Learn more about [joystream-node](node/README.md).
 
 A step by step guide to setup a full node and validator on the Joystream testnet, can be found [here](https://github.com/Joystream/helpdesk/tree/master/roles/validators).
 
+### Integration tests
+
+```bash
+docker-compose up -d
+yarn workspace network-tests test
+docker-compose down
+```
+
 ### Contributing
 
 We have lots of good first [issues](https://github.com/Joystream/joystream/issues?q=is%3Aopen+is%3Aissue+label%3A%22good+first+issue%22) open to help you get started on contributing code. If you are not a developer you can still make valuable contributions by testing our software and providing feedback and opening new issues.

node/README.md

@@ -72,15 +72,6 @@ Always format your rust code with `cargo fmt` before committing:
 cargo fmt --all
 ```
 
-### Integration tests
-
-```bash
-./scripts/run-dev-chain.sh
-yarn workspace network-tests test
-```
-
-To run the integration tests with a different chain, you can omit the step of running the local development chain and simply set the node URL using `NODE_URL` environment variable.
-
 ### Installing a release build
 
 If you are building a tagged release from `master` branch and want to install the executable to your path follow the step below.