![angular11 - Angular 11 jasmine test NullInjectorError: No provider for HttpClient! even after adding HttpClientTestingModule - Stack Overflow angular11 - Angular 11 jasmine test NullInjectorError: No provider for HttpClient! even after adding HttpClientTestingModule - Stack Overflow](https://i.stack.imgur.com/zvMic.png)
angular11 - Angular 11 jasmine test NullInjectorError: No provider for HttpClient! even after adding HttpClientTestingModule - Stack Overflow
Error: NullInjectorError: No provider for Http! ; Zone: <root> ; while upgrading from version 4.4 to 5. · Issue #20096 · angular/angular · GitHub
![Angular 8 Testing with Karma and Jasmine NullInjectorError: R3InjectorError(DynamicTestModule)[api -> api]: NullInjectorError: No provider for api - Stack Overflow Angular 8 Testing with Karma and Jasmine NullInjectorError: R3InjectorError(DynamicTestModule)[api -> api]: NullInjectorError: No provider for api - Stack Overflow](https://i.stack.imgur.com/EO10l.png)
Angular 8 Testing with Karma and Jasmine NullInjectorError: R3InjectorError(DynamicTestModule)[api -> api]: NullInjectorError: No provider for api - Stack Overflow
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angular - NullInjectorError: R3InjectorError(AppModule)[RouterModule -> Router -> Function -> Function ->Function]: NullInjectorError: No provider for Function - Stack Overflow
![unit testing - Karma + Jasmine + Angular 4 - NullInjectorError: No provider for HttpClient - Stack Overflow unit testing - Karma + Jasmine + Angular 4 - NullInjectorError: No provider for HttpClient - Stack Overflow](https://i.stack.imgur.com/ULtow.jpg)