fix browsertests

test/browsertest/lib/index.web.js

@@ -1,9 +1,3 @@
-// Should not break it...
-if(typeof require !== "function")
-	var require = require("amdrequire");
-if(typeof define != "function")
-	var define = require("amdefine");
-
 function test(cond, message) {
 	if(!cond) throw new Error(message);
 }

test/cases/parsing/harmony-commonjs-mix/module1.js

@@ -13,5 +13,7 @@ import "./module";
 
 export default 1234;
 
+if(eval("typeof exports !== \"undefined\"")) {
 	// exports is node.js exports and not webpacks
 	Object.keys(exports).should.be.eql([]);
+}

test/cases/parsing/issue-3917/index.js

@@ -5,7 +5,10 @@ it("should be able to compile a module with UMD", function() {
 
 it("should not find a free exports", function() {
 	var x = require("./module2");
+	if(typeof exports !== "undefined")
 		(x.default).should.be.equal(exports);
+	else
+		(x.default).should.be.eql(false);
 });
 
 export {}