Expect this.children.props()

i've to testing ErrorBoundry, i've this code

import React, { Component } from 'react'

 class ErrorBoundary extends Component {
  constructor (props) {
   super(props)
   this.state = { hasError: false }
  } 

 componentDidCatch (error, info) {
  this.setState({ hasError: true })
 }

 render () {
  if (this.state.hasError) {
   return <h1>Something went wrong.</h1>
  }
  return this.props.children
 }
}

export default ErrorBoundary

and i want to testing, now i've test when there an error, and everythings it's ok, but how i can write on test file i expect return this.props.children() or simulate something similar?

i use enzyme