Rename some test fixtures so they run properly. (#8265)

packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/undefined-this-arrow-function/output.js

@@ -0,0 +1,3 @@
+"use strict";
+
+var foo = () => void 0;

packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/undefined-this-root-call/output.js

@@ -0,0 +1,3 @@
+"use strict";
+
+(void 0).foo();

packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/undefined-this-root-declaration/output.js

@@ -0,0 +1,3 @@
+"use strict";
+
+var self = void 0;

packages/babel-plugin-transform-modules-commonjs/test/fixtures/misc/undefined-this-root-reference/output.js

@@ -0,0 +1,3 @@
+"use strict";
+
+void 0;

packages/babel-plugin-transform-runtime/test/fixtures/runtime/modules-helpers/output.js

@@ -0,0 +1,23 @@
+"use strict";
+
+var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
+
+var _classCallCheck2 = _interopRequireDefault(require("@babel/runtime/helpers/classCallCheck"));
+
+var _createClass2 = _interopRequireDefault(require("@babel/runtime/helpers/createClass"));
+
+var _foo = _interopRequireDefault(require("foo"));
+
+let Example =
+/*#__PURE__*/
+function () {
+  function Example() {
+    (0, _classCallCheck2.default)(this, Example);
+  }
+
+  (0, _createClass2.default)(Example, [{
+    key: "method",
+    value: function method() {}
+  }]);
+  return Example;
+}();