jest Cannot read property 'child' of undefined code example

Example: enzyme TypeError: Cannot read property 'child' of undefined

downgrade to this version

"react": "^16.13.1",
"react-dom": "^16.13.1",
"enzyme": "^3.11.0",
"enzyme-adapter-react-16": "^1.15.5",
"enzyme-to-json": "^3.6.1",