move all plugin tests out of babel-core and into their appropriate folders

packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules/actual.js

@@ -0,0 +1,9 @@
+import events from "events";
+
+class Template {
+  events() {
+    return events;
+  }
+}
+
+console.log(new Template().events());

packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules/expected.js

@@ -0,0 +1,21 @@
+"use strict";
+
+var _events2 = require("events");
+
+var _events3 = babelHelpers.interopRequireDefault(_events2);
+
+let Template = (function () {
+  function Template() {
+    babelHelpers.classCallCheck(this, Template);
+  }
+
+  babelHelpers.createClass(Template, [{
+    key: "events",
+    value: function events() {
+      return _events3.default;
+    }
+  }]);
+  return Template;
+})();
+
+console.log(new Template().events());

packages/babel-plugin-transform-es2015-function-name/test/fixtures/function-name/modules/options.json

@@ -0,0 +1,3 @@
+{
+  "plugins": ["external-helpers-2", "transform-es2015-function-name", "transform-es2015-modules-commonjs", "transform-es2015-classes", "transform-decorators"]
+}