code: function expectedDiff(expected, computedStyles) {
    const received = Array.from(computedStyles)
      .filter(prop => expected[prop])
      .reduce(
        (obj, prop) =>
          Object.assign(obj, {[prop]: computedStyles.getPropertyValue(prop)}),
        {},
      )
    const diffOutput = jestDiff(
      printoutStyles(expected),
      printoutStyles(received),
    )
    // Remove the "+ Received" annotation because this is a one-way diff
    return diffOutput.replace(`${chalk.red('+ Received')}\n`, '')
  }
docs: Highlights only style rules that were expected but were not found in the received computed styles