testing github actions setting branches and PR
1 uninstall karma npm uninstall @types/jasmine jasmine-core karma karma-chrome-launcher karma-coverage karma-jasmine karma-jasmine-html-reporter
2 remove test object from angular.json
3 delete karma.conf.js and test.ts files
4 npm i jest @types/jest jest-preset-angular
5 create setup.jest.ts
6 update tsconfig.spec.json
7 add jest configuration for jest in package.json
8 add scripts in package.json to run jest
9 create test cases
10 run test cases and chech coverage report
Solve test and close issue