README.md updates to include tests instructions

Author: fidelisrafael

README.md

@@ -1,18 +1,31 @@
 # Esperanto Analyzer - React
 
+---
+
+
+[![forthebadge](https://forthebadge.com/images/badges/made-with-javascript.svg)](https://forthebadge.com) [![forthebadge](https://forthebadge.com/images/badges/built-by-developers.svg)](https://forthebadge.com) [![forthebadge](https://forthebadge.com/images/badges/powered-by-electricity.svg)](https://forthebadge.com)
+
+
+#### Development
+
+[![Build Status](https://travis-ci.com/fidelisrafael/esperanto-analyzer-react.svg?token=k5uMpn3U564QqWar8oA1&branch=development)](https://travis-ci.com/fidelisrafael/esperanto-analyzer-react)
+
+#### Master
+
+[![Build Status](https://travis-ci.com/fidelisrafael/esperanto-analyzer-react.svg?token=k5uMpn3U564QqWar8oA1&branch=master)](https://travis-ci.com/fidelisrafael/esperanto-analyzer-react)
+
+---
+
 ## About
 
-This React application is the front-end for the Pythonlibrary [esperanto-analyzer](https://github.com/fidelisrafael/esperanto-analyzer).
+This React application is the front-end for the Python library [esperanto-analyzer](https://github.com/fidelisrafael/esperanto-analyzer).
 
 You can try the demo at: https://fidelisrafael.github.io/esperanto-analyzer-react/
 
 ![Frontend application](./public/esperanto_analyzer_screenshot.png)
 
 ---
 
-[![forthebadge](https://forthebadge.com/images/badges/made-with-python.svg)](https://forthebadge.com) [![forthebadge](https://forthebadge.com/images/badges/built-by-developers.svg)](https://forthebadge.com) [![forthebadge](https://forthebadge.com/images/badges/powered-by-electricity.svg)](https://forthebadge.com)
-
-
 ## Development Setup
 
 ```bash
@@ -34,11 +47,20 @@ const developmentConfig = {
 }
 ```
 
+### Tests
+
+You can run all tests with:
+
+```bash
+# or `npm test`
+yarn test
+```
+
 ---
 
 ## :calendar: Roadmap <a name="roadmap"></a>
 
-- :white_medium_small_square: Write tests
+- :white_medium_small_square: Finish writing tests
 - :white_medium_small_square: Update this Roadmap with more plans