Nodeunit setUp and tearDown wrapping.

nodeunit-testcase.js

var nodeunit = require('nodeunit');

function testCase(suite){
    suite.setUp =  function(test){
        // your stuff
    };
    suite.tearDown = function(test){
        // your stuff
    };
    return testCase.super_.call(this, suite);
}
sys.inherits(testCase, nodeunit.testCase);
exports.testCase = testCase;

testsuite.js

var testCase = require('./nodeunit-testcase').testCase;

module.exports = testCase({
    'my test': function(assert): {
        assert.expect(1); //needed for async tests
        assert.ok(true);
        assert.done(); //needed for async tests
    }
});