Robot Framework Tests Along with the Python samples, there are tests written using the Robot Framework. The Robot Framework tests are used for testing the EZ-Serial firmware APIs. They are not intended for application development. Users are free to use the tests as is, or use them for a basis of creating new automated tests. To easily run the tests, install the following extensions in Visual Studio Code: Robocorp Code Robot Framework Language Server Using Visual Studio Code, go to File -> Open Workspace from File... and select the if820_ezserial.code-workspace file. Once opened, VS Code will automatically setup Robot Framework and its dependencies. It can take a few minutes for this to complete.