[Refactor] remove use of legacy exports

Author: ljharb

index.js

@@ -13,7 +13,7 @@ var canExit = typeof process !== 'undefined' && process
     && typeof process.exit === 'function'
 ;
 
-exports = module.exports = (function () {
+module.exports = (function () {
     var wait = false;
     var harness;
     var lazyLoad = function () {
@@ -115,10 +115,10 @@ function createExitHarness(conf, wait) {
     };
 }
 
-exports.createHarness = createHarness;
-exports.Test = Test;
-exports.test = exports; // tap compat
-exports.test.skip = Test.skip;
+module.exports.createHarness = createHarness;
+module.exports.Test = Test;
+module.exports.test = module.exports; // tap compat
+module.exports.test.skip = Test.skip;
 
 function createHarness(conf_) {
     if (!conf_) conf_ = {};