fixJestErrorStack.tsx

export default function fixJestErrorStack(error: Error) {
  if (error.stack) {
    const lines: string[] = error.stack.split('\n');
    let indexToRemove = -1;
    lines.forEach((line, index) => {
      if (indexToRemove === -1 && line.match(new RegExp(/^\s+at /))) {
        indexToRemove = index;
      }
    });
    if (indexToRemove >= 0) {
      lines.splice(indexToRemove, 1);
    }
    error.stack = lines.join('\n');
  }
}