Enable external-helpers by default in tests (#12911)

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>
Co-authored-by: Babel Bot <babel-bot@users.noreply.github.com>

packages/babel-core/test/fixtures/transformation/misc/options.json

@@ -1,3 +0,0 @@
-{
-  "plugins": ["external-helpers"]
-}

packages/babel-core/test/fixtures/transformation/misc/regression-1155/options.json

@@ -1,7 +1,3 @@
 {
-  "plugins": [
-    "transform-classes",
-    ["external-helpers", { "helperVersion": "7.100.0" }],
-    "transform-block-scoping"
-  ]
+  "plugins": ["transform-classes", "transform-block-scoping"]
 }

packages/babel-core/test/fixtures/transformation/misc/regression-2765/options.json

@@ -1,7 +1,3 @@
 {
-  "plugins": [
-    "transform-arrow-functions",
-    "transform-async-to-generator",
-    "external-helpers"
-  ]
+  "plugins": ["transform-arrow-functions", "transform-async-to-generator"]
 }

packages/babel-core/test/fixtures/transformation/misc/regression-2892/output.js

@@ -5,25 +5,15 @@ Object.defineProperty(exports, "__esModule", {
 });
 exports["default"] = void 0;
 
-function asyncGeneratorStep(gen, resolve, reject, _next, _throw, key, arg) { try { var info = gen[key](arg); var value = info.value; } catch (error) { reject(error); return; } if (info.done) { resolve(value); } else { Promise.resolve(value).then(_next, _throw); } }
-
-function _asyncToGenerator(fn) { return function () { var self = this, args = arguments; return new Promise(function (resolve, reject) { var gen = fn.apply(self, args); function _next(value) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "next", value); } function _throw(err) { asyncGeneratorStep(gen, resolve, reject, _next, _throw, "throw", err); } _next(undefined); }); }; }
-
-function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
-
-function _defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } }
-
-function _createClass(Constructor, protoProps, staticProps) { if (protoProps) _defineProperties(Constructor.prototype, protoProps); if (staticProps) _defineProperties(Constructor, staticProps); return Constructor; }
-
 var Foo = /*#__PURE__*/function () {
   function Foo() {
-    _classCallCheck(this, Foo);
+    babelHelpers.classCallCheck(this, Foo);
   }
 
-  _createClass(Foo, [{
+  babelHelpers.createClass(Foo, [{
     key: "bar",
     value: function () {
-      var _bar = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
+      var _bar = babelHelpers.asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee() {
         var baz;
         return regeneratorRuntime.wrap(function _callee$(_context) {
           while (1) {
@@ -46,7 +36,6 @@ var Foo = /*#__PURE__*/function () {
       return bar;
     }()
   }]);
-
   return Foo;
 }();
 
@@ -57,7 +46,7 @@ function foo() {
 }
 
 function _foo() {
-  _foo = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() {
+  _foo = babelHelpers.asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee3() {
     var bar, _bar2;
 
     return regeneratorRuntime.wrap(function _callee3$(_context3) {
@@ -65,7 +54,7 @@ function _foo() {
         switch (_context3.prev = _context3.next) {
           case 0:
             _bar2 = function _bar4() {
-              _bar2 = _asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
+              _bar2 = babelHelpers.asyncToGenerator( /*#__PURE__*/regeneratorRuntime.mark(function _callee2() {
                 var baz;
                 return regeneratorRuntime.wrap(function _callee2$(_context2) {
                   while (1) {

packages/babel-core/test/fixtures/transformation/misc/regression-4855/options.json

@@ -1,8 +1,5 @@
 {
   "compact": false,
   "presets": ["env"],
-  "plugins": [
-    ["external-helpers", { "helperVersion": "7.1.5" }],
-    "proposal-object-rest-spread"
-  ]
+  "plugins": ["proposal-object-rest-spread"]
 }

packages/babel-core/test/fixtures/transformation/source-maps/class/options.json

@@ -1,7 +1,3 @@
 {
-  "plugins": [
-    "external-helpers",
-    "transform-classes",
-    "transform-block-scoping"
-  ]
+  "plugins": ["transform-classes", "transform-block-scoping"]
 }

packages/babel-core/test/fixtures/transformation/source-maps/options.json

@@ -1,3 +0,0 @@
-{
-  "plugins": ["external-helpers"]
-}