forgot to add testpy

Author: ElviraQDP

.gitpod.Dockerfile

@@ -2,5 +2,5 @@ FROM gitpod/workspace-full
 
 USER gitpod
 
-RUN npm i jest@24.8.0 -g
+RUN npm pip install pytest==4.4.2 mock pytest-testdox
 RUN npm i learnpack -g && learnpack plugins:install learnpack-python

README.md

@@ -57,7 +57,7 @@ Note: Once you finish downloading, you will find a "exercises" folder that conta
 3. Start the tutorial/exercises by running the following command at the same level were your bc.json file is:
 
 ```sh
-$ npm i jest@24.8.0 -g
+$ pip install pytest==4.4.2 mock pytest-testdox
 $ learnpack start
 ```