get all tests passing with hydration

test/runtime/index.js

@@ -26,7 +26,13 @@ const nodeVersionMatch = /^v(\d)/.exec(process.version);
 const legacy = +nodeVersionMatch[1] < 6;
 const babelrc = require("../../package.json").babel;
 
-require.extensions[".html"] = function(module, filename) {
+const Object_assign = Object.assign;
+
+describe("runtime", () => {
+	before(() => {
+		svelte = loadSvelte(true);
+
+		require.extensions[".html"] = function(module, filename) {
 			const options = Object.assign(
 				{ filename, name: getName(filename) },
 				compileOptions
@@ -36,13 +42,8 @@ require.extensions[".html"] = function(module, filename) {
 			if (legacy) code = require('babel-core').transform(code, babelrc).code;
 
 			return module._compile(code, filename);
-};
-
-const Object_assign = Object.assign;
+		};
 
-describe("runtime", () => {
-	before(() => {
-		svelte = loadSvelte(true);
 		return setupHtmlEqual();
 	});