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

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

@@ -0,0 +1,25 @@
+var obj = {
+  f: function f() {
+    (function f() {
+      console.log(f);
+    })();
+  },
+
+  h: (function (_h) {
+    function h() {
+      return _h.apply(this, arguments);
+    }
+
+    h.toString = function () {
+      return _h.toString();
+    };
+
+    return h;
+  })(function () {
+    console.log(h);
+  }),
+
+  m: function m() {
+    doSmth();
+  }
+};