import { describe, it, expect } from 'vitest'import { SevereServiceError } from '../../src/index.js'describe('SevereServiceError', () => {it('should provide unique error name', () => {const err = new SevereServiceError()expect(err.name).toBe('SevereServiceError')})it('should provide a default error message', () => {const err = new SevereServiceError()expect(err.message).toBe('Severe Service Error occurred.')})it('should accept a custom error message', () => {const err = new SevereServiceError('Something happened.')expect(err.message).toBe('Something happened.')})})