Jasmine errors after upgrading to Angular 8
问题 After upgrading my angular CLI and libraries, I am really struggling to make my project work. When I run ng test --source-map false I get the following error. What can I do to fix it? ERROR in node_modules/@types/jasmine/index.d.ts:20:1 - error TS6200: Definitions of the following identifiers conflict with those in another file: ImplementationCallback, Exp ectedRecursive, Expected, SpyObjMethodNames, CustomEqualityTester, CustomMatcherFactory, ExpectationFailed, SpecFunction, SpyObj, jasmine