docs: include local setup and test in readme

README.md

@@ -16,7 +16,24 @@ An axios library. Axios is included as a dev dependency to run the tests.
 I've not installed it as a runtime dependency because in nuxt you need to 
 use @nuxtjs/axios instead.
 
-## Install
+## Setup 
+
+```
+yarn install
+```
+
+## Test 
+
+The tests are written in [cucumber](https://cucumber.io/docs/installation/javascript/)
+
+This means we can have a common suite of [gherkin](https://github.com/cucumber/gherkin)
+tests across adapter ports written in multiple languages. 
+
+```
+yarn test
+```
+
+## Installing in your project 
 
 ### Yarn