fix(cypress): tests should fail on uncaught exception (#6308)

* also remove broken file logging

ref #6305

test/e2e-cypress/support/index.js

@@ -1,5 +1,3 @@
-import fs from "fs"
-
 // ***********************************************************
 // This example support/index.js is processed and
 // loaded automatically before your test files.
@@ -29,9 +27,6 @@ Cypress.on("window:before:load", win => {
 })
 
 Cypress.on("uncaught:exception", (err, runnable) => {
-  console.log(err)
   console.log(JSON.stringify(err, null, 2))
-  fs.writeFileSync(require("path").normalize(__dirname, "./error.log"), JSON.stringify(err, null, 2))
-
-  throw err
+  return true
 })