diff --git a/node/DEVELOPER.md b/node/DEVELOPER.md
index 3725d369a8..f71966862e 100644
--- a/node/DEVELOPER.md
+++ b/node/DEVELOPER.md
@@ -128,6 +128,13 @@ To run tests, use the following command:
 npm test
 ```
 
+To execute a specific test, include the [`testNamePattern`](https://jestjs.io/docs/cli#--testnamepatternregex) option. For example:
+
+```bash
+npm run test -- --testNamePattern="transaction"
+```
+
+IT suite starts the server for testing - standalone and cluster installation using `cluster_manager` script.
 To run the integration tests with existing servers, run the following command:
 
 ```bash
diff --git a/python/DEVELOPER.md b/python/DEVELOPER.md
index 083ccda616..abf12dc9a3 100644
--- a/python/DEVELOPER.md
+++ b/python/DEVELOPER.md
@@ -147,6 +147,13 @@ To execute a specific test, include the `-k <test_name>` option. For example:
 pytest --asyncio-mode=auto -k test_socket_set_and_get
 ```
 
+IT suite starts the server for testing - standalone and cluster installation using `cluster_manager` script.
+If you want IT to use already started servers, use the following command line from `python/python` dir:
+
+```bash
+pytest --asyncio-mode=auto --cluster-endpoints=localhost:7000 --standalone-endpoints=localhost:6379
+```
+
 ### Submodules
 
 After pulling new changes, ensure that you update the submodules by running the following command: