diff --git a/test/StripeResource.spec.js b/test/StripeResource.spec.js
index c15e5d3fca..18b1f2a585 100644
--- a/test/StripeResource.spec.js
+++ b/test/StripeResource.spec.js
@@ -195,12 +195,13 @@ describe('StripeResource', () => {
           (req, res) => {
             // Do nothing. This will trigger a timeout.
           },
-          (err, stripe) => {
+          (err, stripe, closeServer) => {
             if (err) {
               return done(err);
             }
             stripe.charges.create(options.data, (err, result) => {
               expect(err.detail.message).to.deep.equal('ETIMEDOUT');
+              closeServer();
               done();
             });
           }
@@ -216,13 +217,14 @@ describe('StripeResource', () => {
             // Do nothing. This will trigger a timeout.
             return {shouldStayOpen: nRequestsReceived < 3};
           },
-          (err, stripe) => {
+          (err, stripe, closeServer) => {
             if (err) {
               return done(err);
             }
             stripe.charges.create(options.data, (err, result) => {
               expect(err.detail.message).to.deep.equal('ETIMEDOUT');
               expect(nRequestsReceived).to.equal(3);
+              closeServer();
               done();
             });
           }
@@ -665,27 +667,32 @@ describe('StripeResource', () => {
         setTimeout(() => res.end(), 40);
       };
 
-      testUtils.getTestServerStripe({}, handleRequest, (err, stripe) => {
-        const foos = makeResourceWithPDFMethod(stripe);
-        if (err) {
-          return callback(err);
-        }
-
-        return foos.pdf({id: 'foo_123'}, {host: 'localhost'}, (err, res) => {
+      testUtils.getTestServerStripe(
+        {},
+        handleRequest,
+        (err, stripe, closeServer) => {
+          const foos = makeResourceWithPDFMethod(stripe);
           if (err) {
             return callback(err);
           }
-          const chunks = [];
-          res.on('data', (chunk) => chunks.push(chunk));
-          res.on('error', callback);
-          res.on('end', () => {
-            expect(Buffer.concat(chunks).toString()).to.equal(
-              'pretend this is a pdf'
-            );
-            return callback();
+
+          return foos.pdf({id: 'foo_123'}, {host: 'localhost'}, (err, res) => {
+            closeServer();
+            if (err) {
+              return callback(err);
+            }
+            const chunks = [];
+            res.on('data', (chunk) => chunks.push(chunk));
+            res.on('error', callback);
+            res.on('end', () => {
+              expect(Buffer.concat(chunks).toString()).to.equal(
+                'pretend this is a pdf'
+              );
+              return callback();
+            });
           });
-        });
-      });
+        }
+      );
     });
 
     it('failure', (callback) => {
@@ -701,20 +708,25 @@ describe('StripeResource', () => {
         setTimeout(() => res.end(), 20);
       };
 
-      testUtils.getTestServerStripe({}, handleRequest, (err, stripe) => {
-        if (err) {
-          return callback(err);
-        }
+      testUtils.getTestServerStripe(
+        {},
+        handleRequest,
+        (err, stripe, closeServer) => {
+          if (err) {
+            return callback(err);
+          }
 
-        const foos = makeResourceWithPDFMethod(stripe);
+          const foos = makeResourceWithPDFMethod(stripe);
 
-        return foos.pdf({id: 'foo_123'}, {host: 'localhost'}, (err, res) => {
-          expect(err).to.exist;
-          expect(err.raw.type).to.equal('api_error');
-          expect(err.raw.message).to.equal('this is bad');
-          return callback();
-        });
-      });
+          return foos.pdf({id: 'foo_123'}, {host: 'localhost'}, (err, res) => {
+            closeServer();
+            expect(err).to.exist;
+            expect(err.raw.type).to.equal('api_error');
+            expect(err.raw.message).to.equal('this is bad');
+            return callback();
+          });
+        }
+      );
     });
   });
 });
diff --git a/testUtils/index.js b/testUtils/index.js
index 581345be65..e230262334 100644
--- a/testUtils/index.js
+++ b/testUtils/index.js
@@ -15,7 +15,9 @@ const utils = (module.exports = {
     const server = http.createServer((req, res) => {
       const {shouldStayOpen} = handler(req, res) || {};
       if (!shouldStayOpen) {
-        res.on('close', () => server.close());
+        res.on('close', () => {
+          server.close();
+        });
       }
     });
     server.listen(0, () => {
@@ -29,7 +31,9 @@ const utils = (module.exports = {
           ...clientOptions,
         }
       );
-      return callback(null, stripe);
+      return callback(null, stripe, () => {
+        server.close();
+      });
     });
   },