Update README.md

Author: sauravjoshi23

README.md

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 # GloVe-Embeddings-NLP-JS
-<br>
 
 ![extraction](https://user-images.githubusercontent.com/44198980/146674170-3d1d4900-4880-41ce-a992-d99c2bd43497.PNG)
 ![similarity](https://user-images.githubusercontent.com/44198980/146674177-4cb991d5-2e7b-4da1-a548-842613c11993.PNG)
 ![word_analogy](https://user-images.githubusercontent.com/44198980/146674185-d6eca3e5-30db-4aa2-9741-c827a881c1f5.PNG)
 ![vis_representation](https://user-images.githubusercontent.com/44198980/146674278-d79c2f12-c08b-44c0-8f03-dca6cd356e28.PNG)
+
+## Chai and Mocha Tests
+![testing](https://user-images.githubusercontent.com/44198980/146676268-ea9fb4b1-47f2-4547-93da-8a9551204892.PNG)