Chore: Updated resolvers from Class to ResolveFn

overlord/src/app/balance-sheet/balance-sheet.resolver.spec.ts

@@ -0,0 +1,18 @@
+import { TestBed } from '@angular/core/testing';
+import { ResolveFn } from '@angular/router';
+
+import { BalanceSheet } from './balance-sheet';
+import { balanceSheetResolver } from './balance-sheet.resolver';
+
+describe('balanceSheetResolver', () => {
+  const executeResolver: ResolveFn<BalanceSheet> = (...resolverParameters) =>
+    TestBed.runInInjectionContext(() => balanceSheetResolver(...resolverParameters));
+
+  beforeEach(() => {
+    TestBed.configureTestingModule({});
+  });
+
+  it('should be created', () => {
+    expect(executeResolver).toBeTruthy();
+  });
+});