Refactor deprecated substr method, use isUnitTest method from environmentServer

Author: webstackdev

src/components/scripts/utils/__tests__/dataSubjectId.spec.ts

@@ -9,7 +9,7 @@ describe('DataSubjectId Management', () => {
     localStorage.clear()
     document.cookie.split(";").forEach((c) => {
       const eqPos = c.indexOf("=")
-      const name = eqPos > -1 ? c.substr(0, eqPos) : c
+      const name = eqPos > -1 ? c.slice(0, eqPos) : c
       document.cookie = `${name.trim()}=;expires=Thu, 01 Jan 1970 00:00:00 GMT;path=/`
     })
   })

src/integrations/FaviconGenerator/__tests__/index.spec.ts

@@ -3,6 +3,7 @@ import sharp, { type Metadata } from 'sharp'
 import toIco from 'to-ico'
 import { writeFile, mkdir } from 'fs/promises'
 import { existsSync } from 'fs'
+import { isUnitTest } from '@lib/config/environmentServer'
 
 // Mock external dependencies before any imports
 vi.mock('sharp')
@@ -50,7 +51,7 @@ describe('FaviconGenerator Integration', () => {
   afterAll(() => {
     // Force process exit after a brief delay to allow cleanup
     setTimeout(() => {
-      if (process.env.VITEST) {
+      if (isUnitTest()) {
         process.exit(0)
       }
     }, 100)