Background

As we build out the CLI tool for rendering graphs, it will be important to use tests for defining the specification of how it should behave. This is going to be essential if we ever need to make breaking changes to the spec or how we render charts.

User story

As a developer I want to be more confident in making changes to the CLI script.

Requirements

• The repo has Jest tests.
• The repo should define what the minimum expected test coverage is
• There should be a test covering the generation of an SVG.