add tape.tearDown handler

Fixes #175

index.js

@@ -35,6 +35,10 @@ exports = module.exports = (function () {
         }
         return harness.createStream(opts);
     };
+
+    lazyLoad.tearDown = function () {
+        return getHarness().tearDown.apply(this, arguments);
+    };
 
     lazyLoad.getHarness = getHarness
 
@@ -126,6 +130,10 @@ function createHarness (conf_) {
     test.createStream = function (opts) {
         return results.createStream(opts);
     };
+
+    test.tearDown = function (cb) {
+        results.on('done', cb);
+    };
 
     var only = false;
     test.only = function (name) {

test/tearDown.js

@@ -0,0 +1,12 @@
+var tap = require("tap");
+var tape = require("../");
+
+tap.test("tear down", {timeout: 1000}, function (tt) {
+    tt.plan(1);
+    tape.tearDown(function() {
+        tt.pass('tape ended');
+    });
+    tape('dummy test', function(t) {
+        t.end();
+    });
+});