message: Readme instruction clarification
  Changed README file to instruct users to run "yarn build" before trying to run unit tests.
diff: @@ -30,7 +30,7 @@ Please ensure that you have at least the **minimum** recommended versions
  - Node - 10.15.0 (Check by running `node --version`) - This is the version being enforced on our builds
  - Yarn - Version >= v1.15.2 (Check by running `yarn --version`)
  -> In case you dont have yarn, please install from: [Yarn](https://yarnpkg.com/en/)
  +> In case you don't have yarn, please install from: [Yarn](https://yarnpkg.com/en/)
  #### 1. Clone the repository
  @@ -57,13 +57,13 @@ Please ensure that you have at least the **minimum** recommended versions
  #### 3. Build and run unit tests
  -- Run the unit tests
  +- Build and run the unit tests
  ```bash
  + yarn build
  yarn test
  ```
  -- Build and run the end-to-end tests (note: you must use a **non**-admin prompt to avoid [this issue](https://stackoverflow.com/questions/36835130))
  +- Run the end-to-end tests (note: you must use a **non**-admin prompt to avoid [this issue](https://stackoverflow.com/questions/36835130))
  ```bash
  - yarn build
  yarn test:e2e
  ```
  There are more details in the Testing section below.
  