Fix missing providers in frontend tests (#77)

This was my own omission in 9774833. Heads-up @XanderVertegaal

Author: jgonggrijp

frontend/src/app/annotate/annotation-menu/annotation-menu.component.spec.ts

@@ -1,4 +1,5 @@
 import { ComponentFixture, TestBed } from "@angular/core/testing";
+import { provideHttpClient } from "@angular/common/http";
 
 import { AnnotationMenuComponent } from "./annotation-menu.component";
 
@@ -9,6 +10,7 @@ describe("AnnotationMenuComponent", () => {
     beforeEach(async () => {
         await TestBed.configureTestingModule({
             imports: [AnnotationMenuComponent],
+            providers: [provideHttpClient()],
         }).compileComponents();
 
         fixture = TestBed.createComponent(AnnotationMenuComponent);

frontend/src/app/annotate/annotation-parse-results/annotation-parse-results.component.spec.ts

@@ -1,4 +1,5 @@
 import { ComponentFixture, TestBed } from "@angular/core/testing";
+import { provideHttpClient } from "@angular/common/http";
 
 import { AnnotationParseResultsComponent } from "./annotation-parse-results.component";
 
@@ -9,6 +10,7 @@ describe("AnnotationParseResultsComponent", () => {
     beforeEach(async () => {
         await TestBed.configureTestingModule({
             imports: [AnnotationParseResultsComponent],
+            providers: [provideHttpClient()],
         }).compileComponents();
 
         fixture = TestBed.createComponent(AnnotationParseResultsComponent);