Angular 4 Error: No provider for HttpClient

I am starting a new angular project with the CLI and am running into a no provider for HttpClient error.

I have added HttpClientModule to my module imports which seems to be the usual culprit in this scenario. Not finding a lot online other than that so I am not sure what the issue may be.

my app.module.ts

@NgModule({
declarations: [
AppComponent
],
imports: [
BrowserModule,
HttpClientModule
],
providers: [],
bootstrap: [AppComponent]
})
export class AppModule { }


and my service

@Injectable()
export class FlexSearchService {


constructor(private http: HttpClient) {}

getSavedSearchResult(index: string, queryName: string, query: string ): Observable<any> {
const url = `${environment.flexUrl}/${index}/search`;
const item = new SearchQuery({queryName: queryName, variables: {q: query}});
return this.http.post(url, item);
}
}


and ng version gives the following output

@angular/cli: 1.4.2
node: 6.9.4
os: darwin x64
@angular/animations: 4.4.4
@angular/common: 4.4.4
@angular/compiler: 4.4.4
@angular/core: 4.4.4
@angular/forms: 4.4.4
@angular/http: 4.4.4
@angular/platform-browser: 4.4.4
@angular/platform-browser-dynamic: 4.4.4
@angular/router: 4.4.4
@angular/cli: 1.4.2
@angular/compiler-cli: 4.4.4
@angular/language-service: 4.4.4
typescript: 2.3.4


my tsconfig

{
"compileOnSave": false,
"compilerOptions": {
"outDir": "./dist/out-tsc",
"sourceMap": true,
"declaration": false,
"moduleResolution": "node",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"target": "es5",
"typeRoots": [
"node_modules/@types"
],
"lib": [
"es2017",
"dom"
]
}
}


My test

import { TestBed, inject } from '@angular/core/testing';
import { HttpClientModule } from '@angular/common/http';
import { FlexSearchService } from './flex-search.service';

describe('FlexSearchService', () => {
beforeEach(() => {
TestBed.configureTestingModule({
providers: [FlexSearchService, HttpClientModule]
});
});
it('should be created', inject([FlexSearchService], (service: FlexSearchService) => {
expect(service).toBeTruthy();
}));


Any help is GREATLY appreciated!

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