updated extensions list

07 Unit Testing.md

@@ -114,17 +114,18 @@ In the previous section you learned how to run a test suite and check code cover
 
 ### 1.5 Visual Studio Code Extensions
 
-One of the powerful features of VS Code is its support for **Extensions** which allow you to add additional capabilities to the editor.
+One of the powerful features of VS Code is its support for **Extensions** which allow you to add additional capabilities to the editor. Make sure you are running the _latest_ version of VS Code (1.38.1 at the time of writing).
 
 ![The Extensions Tab](exercises/.images/extensions_tab.png)
 
 You should start by opening the tab and checking for the extensions already installed, these will be listed in the **ENABLED** section. If any of these are not listed you can use the search box to search for them and then install. Once the extensions are installed you will need to shutdown and reload VS Code for them to take effect.
 
 In this lab you will need:
 
-1. coverage-gutters
-2. jest
-3. test-explorer
+1. Coverage Gutters
+2. Jest
+3. Jest Test Explorer
+4. Test Explorer
 
 ### 1.6 Running a Test Suite