Chore: Upgraded to Angular v18

overlord/src/app/ledger/ledger.component.spec.ts

@@ -1,4 +1,4 @@
-import { HttpClientModule } from '@angular/common/http';
+import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
 import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { ReactiveFormsModule } from '@angular/forms';
 import { RouterTestingModule } from '@angular/router/testing';
@@ -11,8 +11,9 @@ describe('LedgerComponent', () => {
 
   beforeEach(waitForAsync(() => {
     TestBed.configureTestingModule({
-      imports: [HttpClientModule, ReactiveFormsModule, RouterTestingModule],
       declarations: [LedgerComponent],
+      imports: [ReactiveFormsModule, RouterTestingModule],
+      providers: [provideHttpClient(withInterceptorsFromDi())],
     }).compileComponents();
   }));
 

overlord/src/app/ledger/ledger.service.spec.ts

@@ -1,4 +1,4 @@
-import { HttpClientModule } from '@angular/common/http';
+import { provideHttpClient, withInterceptorsFromDi } from '@angular/common/http';
 import { inject, TestBed } from '@angular/core/testing';
 
 import { LedgerService } from './ledger.service';
@@ -6,8 +6,8 @@ import { LedgerService } from './ledger.service';
 describe('LedgerService', () => {
   beforeEach(() => {
     TestBed.configureTestingModule({
-      imports: [HttpClientModule],
-      providers: [LedgerService],
+      imports: [],
+      providers: [LedgerService, provideHttpClient(withInterceptorsFromDi())],
     });
   });