The right bracket in sources are shown in wrong indent when editing javascript

In order to generate sources for some new wizard.

The content included in generateTestCode() are:
str << "testcase = {\n"
"initTestCase: function()

,\n\n\n"
"} // end of testcase\n\n";

The right bracket in sources are shown in wrong indent after be generated.
testcase = {
initTestCase: function() {
},

cleanupTestCase: function() {
},

} // end of testcase