Doc how to run one test

README.md

@@ -45,7 +45,7 @@ You can run the tests from inside a docker container:
 $ ./bin/docker-build
 $ ./bin/docker-shell
 $ ./bin/setup
-$ ./bin/test
+$ ./bin/test [path to file]
 ```
 
 If you need to debug any specific issues you can do this from within the docker container by