Report format:
[{
component: 'Button', // The name of the component
variant: 'default', // e.g. 'blue', 'with overflow', 'large', 'without user profile'
target: 'android', // the combination of platform and viewport. For web, this will be 'firefox-mobile', 'firefox-desktop', 'chrome-desktop', etc.
width: 88, // the width of the image, not the viewport
height: 30, // the height of the image, not the viewport