Add test section to README.md

README.md

@@ -26,4 +26,14 @@ ESLint can auto fix some problems with the option `--fix` but most of them must
 
     npm run lint --fix
     
+    
+## Tests
+
+To run tests first is needed to install all dependencies 
+    
+    npm install
+
+### Run
+
+    npm run test