fix: use window to detect if cypress is running instead of localstorage

frontend/config/cypress.config.ts

@@ -17,8 +17,7 @@ export default defineConfig({
       initCypressMousePositionPlugin(on)
       initPlugin(on, config)
     },
-    specPattern: ['cypress/e2e/**/*.spec.ts'],
-    testIsolation: false
+    specPattern: ['cypress/e2e/**/*.spec.ts']
   },
   env: {
     'cypress-plugin-snapshots': {

frontend/cypress/support/e2e.ts

@@ -40,13 +40,3 @@ Cypress.on('uncaught:exception', err => {
 
   return undefined
 })
-
-// Run before each spec
-before(() => {
-  // We use a Cypress session to inject inject a Local Storage key
-  // so that we can detect when the browser app is running in Cypress.
-  // https://docs.cypress.io/faq/questions/using-cypress-faq#How-do-I-preserve-cookies--localStorage-in-between-my-tests
-  cy.session('cypress', () => {
-    window.localStorage.setItem('IS_CYPRESS', 'true')
-  })
-})

frontend/src/utils/isCypress.ts

@@ -1,12 +1,8 @@
 /**
  * Detects whether the browser app is running in Cypress.
  *
- * @description
- * We use a Cypress session to inject inject a Local Storage key
- * so that we can detect when the browser app is running in Cypress.
- *
- * @see https://docs.cypress.io/faq/questions/using-cypress-faq#How-do-I-preserve-cookies--localStorage-in-between-my-tests
+ * @see https://docs.cypress.io/faq/questions/using-cypress-faq#Is-there-any-way-to-detect-if-my-app-is-running-under-Cypress
  */
 export function isCypress() {
-  return localStorage.getItem('IS_CYPRESS') === 'true'
+  return !!window.Cypress
 }