fix: throw out year dependent test (#455)

* fix age test (throw out year dependent age calculation)

* clean up e2e spec file

* undo delete tested variable

backend/test/app.e2e-spec.ts

@@ -1,6 +1,6 @@
 import { Test, TestingModule } from '@nestjs/testing';
 import { INestApplication } from '@nestjs/common';
-import * as request from 'supertest';
+import request from 'supertest';
 import { AppModule } from '../src/app.module';
 
 describe('AppController (e2e)', () => {

frontend/src/helpers/format/date-helpers.spec.ts

@@ -4,7 +4,7 @@ describe('Date Helpers', () => {
   let birthday: Date
   let date_one_year_one_day_ago: Date
   let date_not_full_one_year: Date
-  beforeEach( () => {
+  beforeEach(() => {
     birthday = new Date('2014-01-31T00:00:00.000Z')
     date_one_year_one_day_ago = new Date(new Date().setFullYear(new Date().getFullYear() - 1))
     date_one_year_one_day_ago.setDate(date_one_year_one_day_ago.getDate() - 1)
@@ -13,7 +13,6 @@ describe('Date Helpers', () => {
   })
   describe('calculated age', () => {
     it('should return the age given his/her birthday', () => {
-      expect(calculateAge(birthday)).toEqual(8)
       expect(calculateAge(date_one_year_one_day_ago)).toEqual(1)
       expect(calculateAge(date_not_full_one_year)).toEqual(0)
     });