additional test

test/integration/fixtures/uncaught/listeners.fixture.js

@@ -0,0 +1,12 @@
+'use strict';
+
+const assert = require('assert');
+const mocha = require("../../../../lib/mocha");
+
+for (let i = 0; i < 15; i++) {
+  const r = new mocha.Runner(new mocha.Suite("" + i, undefined));
+  r.run();
+}
+
+assert.equal(process.listenerCount('uncaughtException'), 1);
+assert.equal(process.listeners('uncaughtException')[0].name, 'uncaughtEnd');

test/integration/uncaught.spec.js

@@ -86,4 +86,16 @@ describe('uncaught exceptions', function() {
       done();
     });
   });
+
+  it('removes uncaught exceptions handlers correctly', function(done) {
+    run('uncaught/listeners.fixture.js', args, function(err, res) {
+      if (err) {
+        return done(err);
+      }
+
+      expect(res, 'to have passed').and('to have passed test count', 0);
+
+      done();
+    });
+  });
 });