test: avoid false positive & remove useless comments

src/admin/admin.controller.spec.ts

src/auth/auth.controller.spec.ts

src/auth/auth.service.spec.ts

src/mailer/mailer.service.spec.ts

src/newsletter/newsletter.service.spec.ts

src/personal-offers/personal-offers.controller.spec.ts

src/personal-offers/personal-offers.service.spec.ts

src/structures/services/structures.service.spec.ts

src/temp-user/temp-user.controller.spec.ts

src/users/controllers/employer.controller.spec.ts

src/users/controllers/jobs.controller.spec.ts

src/users/services/employer.service.spec.ts

src/users/services/jobs.service.spec.ts

src/users/services/users.service.spec.ts