fix assertion after chai upgrade

test/strict-option-test.js

@@ -1,34 +1,28 @@
-var mocha  = require('mocha')
-  , assert = require('chai').assert
-  , expect = require('chai').expect
-  ;
+var mocha = require('mocha'),
+  assert = require('chai').assert,
+  expect = require('chai').expect;
+describe("Testing 'strict' option", function () {
+  var dupkeys = '{ "dupkey": "value 1", "dupkey": "value 2"}';
+  it('Should show that duplicate keys just get overwritten by default', function (done) {
+    var JSONbig = require('../index');
+    var result = 'before';
+    function tryParse() {
+      result = JSONbig.parse(dupkeys);
+    }
+    expect(tryParse).to.not.throw('anything');
+    expect(result.dupkey).to.equal('value 2');
+    done();
+  });
 
-describe("Testing 'strict' option", function(){
-    var dupkeys = '{ "dupkey": "value 1", "dupkey": "value 2"}';
-    it("Should show that duplicate keys just get overwritten by default", function(done){
-        var JSONbig = require('../index');
-        var result = "before";
-        function tryParse() {
-            result = JSONbig.parse(dupkeys);
-        }
-        expect(tryParse).to.not.throw("anything");
-        expect(result.dupkey).to.equal("value 2");
-        done();
-    });
+  it("Should show that the 'strict' option will fail-fast on duplicate keys", function (done) {
+    var JSONstrict = require('../index')({ strict: true });
+    var result = 'before';
+    function tryParse() {
+      result = JSONstrict.parse(dupkeys);
+    }
 
-    it("Should show that the 'strict' option will fail-fast on duplicate keys", function(done){
-        var JSONstrict = require('../index')({"strict": true});
-        var result = "before";
-        function tryParse() {
-            result = JSONstrict.parse(dupkeys);
-        }
-        expect(tryParse).to.throw({ 
-            name: 'SyntaxError',
-            message: 'Duplicate key "dupkey"',
-            at: 33,
-            text: '{ "dupkey": "value 1", "dupkey": "value 2"}' 
-        });
-        expect(result).to.equal("before");
-        done();
-    });
+    expect(tryParse).to.throw('Duplicate key "dupkey"');
+    expect(result).to.equal('before');
+    done();
+  });
 });