Using Jest I get: Cannot find type definition file for 'jasmine'

Question

I am using Angular 7 and Jest. When I was running jest with --codecoverage, all my tests passed but many branches in the constructor were not covered (similar to: B

Answer 1

Go to tsconfig.spec.json in the types field under the compilerOptions and remove jasmine and add jest

"compilerOptions": {
"module": "commonjs",
"outDir": "./out-tsc/spec",
"types": ["jest", "node"]
}