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-plugin-proposal-async-generator-functions/test/fixtures/async-generators/class-private-method/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["external-helpers", "proposal-private-methods", "proposal-async-generator-functions"]
+  "plugins": ["proposal-private-methods", "proposal-async-generator-functions"]
 }

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/async-generators/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["external-helpers", "proposal-async-generator-functions"]
+  "plugins": ["proposal-async-generator-functions"]
 }

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/async-generators/yield-exec/options.json

@@ -1,6 +1,5 @@
 {
   "plugins": [
-    "external-helpers",
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ],

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-function-no-transform/options.json

@@ -1,3 +1,3 @@
 {
-  "plugins": ["external-helpers", "proposal-async-generator-functions"]
+  "plugins": ["proposal-async-generator-functions"]
 }

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/async-generator-exec/options.json

@@ -1,6 +1,5 @@
 {
   "plugins": [
-    "external-helpers",
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ],

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/for-await/options.json

@@ -1,6 +1,5 @@
 {
   "plugins": [
-    "external-helpers",
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ]

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/nested/options.json

@@ -1,6 +1,5 @@
 {
   "plugins": [
-    "external-helpers",
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ]

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/regression/5880/options.json

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

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/yield-star-polyfill-corejs3/options.json

@@ -1,4 +1,5 @@
 {
+  "externalHelpers": false,
   "parserOpts": {
     "allowReturnOutsideFunction": true
   },

packages/babel-plugin-proposal-async-generator-functions/test/fixtures/yield-star/options.json

@@ -3,7 +3,6 @@
     "allowReturnOutsideFunction": true
   },
   "plugins": [
-    "external-helpers",
     "transform-async-to-generator",
     "proposal-async-generator-functions"
   ],