Move bench-folder in tests-folder

First part of reorganizing and cleaning up test-folders.

tests/bench/templates/depth-1.js

@@ -0,0 +1,14 @@
+module.exports = {
+  context: {
+    names: [
+      { name: 'Moe' },
+      { name: 'Larry' },
+      { name: 'Curly' },
+      { name: 'Shemp' }
+    ],
+    foo: 'bar'
+  },
+  handlebars: '{{#each names}}{{../foo}}{{/each}}',
+  mustache: '{{#names}}{{foo}}{{/names}}',
+  eco: '<% for item in @names: %><%= @foo %><% end %>'
+};