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/actual.js

@@ -0,0 +1,15 @@
+var obj = {
+  f: function () {
+    (function f() {
+      console.log(f);
+    })();
+  },
+
+  h: function () {
+    console.log(h);
+  },
+
+  m: function () {
+    doSmth();
+  }
+};