Add tests for xl, 2xl, and 3xl border radius values

[ben-rogerson]

This PR adds tests for the new border-radius values in [email protected]. Further work isn't required as the updates come down the stream in the default config change from tailwindcss.

import tw from 'twin.macro'

tw`rounded-xl`
tw`rounded-2xl`
tw`rounded-3xl`

tw`rounded-t-xl`
tw`rounded-r-xl`
tw`rounded-b-xl`
tw`rounded-l-xl`

tw`rounded-t-2xl`
tw`rounded-r-2xl`
tw`rounded-b-2xl`
tw`rounded-l-2xl`

tw`rounded-t-3xl`
tw`rounded-r-3xl`
tw`rounded-b-3xl`
tw`rounded-l-3xl`

tw`rounded-tl-lg`
tw`rounded-tr-lg`
tw`rounded-br-lg`
tw`rounded-bl-lg`

tw`rounded-tl-xl`
tw`rounded-tr-xl`
tw`rounded-br-xl`
tw`rounded-bl-xl`

tw`rounded-tl-2xl`
tw`rounded-tr-2xl`
tw`rounded-br-2xl`
tw`rounded-bl-2xl`

tw`rounded-tl-3xl`
tw`rounded-tr-3xl`
tw`rounded-br-3xl`
tw`rounded-bl-3xl`

// ↓ ↓ ↓ ↓ ↓ ↓

({
  "borderRadius": "0.75rem"
});
({
  "borderRadius": "1rem"
});
({
  "borderRadius": "1.5rem"
});
({
  "borderTopLeftRadius": "0.75rem",
  "borderTopRightRadius": "0.75rem"
});
({
  "borderTopRightRadius": "0.75rem",
  "borderBottomRightRadius": "0.75rem"
});
({
  "borderBottomLeftRadius": "0.75rem",
  "borderBottomRightRadius": "0.75rem"
});
({
  "borderTopLeftRadius": "0.75rem",
  "borderBottomLeftRadius": "0.75rem"
});
({
  "borderTopLeftRadius": "1rem",
  "borderTopRightRadius": "1rem"
});
({
  "borderTopRightRadius": "1rem",
  "borderBottomRightRadius": "1rem"
});
({
  "borderBottomLeftRadius": "1rem",
  "borderBottomRightRadius": "1rem"
});
({
  "borderTopLeftRadius": "1rem",
  "borderBottomLeftRadius": "1rem"
});
({
  "borderTopLeftRadius": "1.5rem",
  "borderTopRightRadius": "1.5rem"
});
({
  "borderTopRightRadius": "1.5rem",
  "borderBottomRightRadius": "1.5rem"
});
({
  "borderBottomLeftRadius": "1.5rem",
  "borderBottomRightRadius": "1.5rem"
});
({
  "borderTopLeftRadius": "1.5rem",
  "borderBottomLeftRadius": "1.5rem"
});
({
  "borderTopLeftRadius": "0.5rem"
});
({
  "borderTopRightRadius": "0.5rem"
});
({
  "borderBottomRightRadius": "0.5rem"
});
({
  "borderBottomLeftRadius": "0.5rem"
});
({
  "borderTopLeftRadius": "0.75rem"
});
({
  "borderTopRightRadius": "0.75rem"
});
({
  "borderBottomRightRadius": "0.75rem"
});
({
  "borderBottomLeftRadius": "0.75rem"
});
({
  "borderTopLeftRadius": "1rem"
});
({
  "borderTopRightRadius": "1rem"
});
({
  "borderBottomRightRadius": "1rem"
});
({
  "borderBottomLeftRadius": "1rem"
});
({
  "borderTopLeftRadius": "1.5rem"
});
({
  "borderTopRightRadius": "1.5rem"
});
({
  "borderBottomRightRadius": "1.5rem"
});
({
  "borderBottomLeftRadius": "1.5rem"
});