diff --git a/packages/react-scripts/fixtures/kitchensink/integration/env.test.js b/packages/react-scripts/fixtures/kitchensink/integration/env.test.js
index 43badcbde8e..8a8dc5d28ac 100644
--- a/packages/react-scripts/fixtures/kitchensink/integration/env.test.js
+++ b/packages/react-scripts/fixtures/kitchensink/integration/env.test.js
@@ -5,7 +5,6 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import { expect } from 'chai';
 import initDOM from './initDOM';
 
 describe('Integration', () => {
@@ -15,23 +14,23 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-file-env-original-1').textContent
-      ).to.equal('from-original-env-1');
+      ).toBe('from-original-env-1');
       expect(
         doc.getElementById('feature-file-env-original-2').textContent
-      ).to.equal('override-from-original-local-env-2');
+      ).toBe('override-from-original-local-env-2');
 
       if (process.env.NODE_ENV === 'production') {
-        expect(doc.getElementById('feature-file-env').textContent).to.equal(
+        expect(doc.getElementById('feature-file-env').textContent).toBe(
           'production'
         );
-        expect(doc.getElementById('feature-file-env-x').textContent).to.equal(
+        expect(doc.getElementById('feature-file-env-x').textContent).toBe(
           'x-from-production-env'
         );
       } else {
-        expect(doc.getElementById('feature-file-env').textContent).to.equal(
+        expect(doc.getElementById('feature-file-env').textContent).toBe(
           'development'
         );
-        expect(doc.getElementById('feature-file-env-x').textContent).to.equal(
+        expect(doc.getElementById('feature-file-env-x').textContent).toBe(
           'x-from-development-env'
         );
       }
@@ -40,9 +39,7 @@ describe('Integration', () => {
     it('NODE_PATH', async () => {
       const doc = await initDOM('node-path');
 
-      expect(
-        doc.getElementById('feature-node-path').childElementCount
-      ).to.equal(4);
+      expect(doc.getElementById('feature-node-path').childElementCount).toBe(4);
     });
 
     it('PUBLIC_URL', async () => {
@@ -52,12 +49,12 @@ describe('Integration', () => {
         process.env.NODE_ENV === 'development'
           ? ''
           : 'http://www.example.org/spa';
-      expect(doc.getElementById('feature-public-url').textContent).to.equal(
+      expect(doc.getElementById('feature-public-url').textContent).toBe(
         `${prefix}.`
       );
       expect(
         doc.querySelector('head link[rel="shortcut icon"]').getAttribute('href')
-      ).to.equal(`${prefix}/favicon.ico`);
+      ).toBe(`${prefix}/favicon.ico`);
     });
 
     it('shell env variables', async () => {
@@ -65,24 +62,24 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-shell-env-variables').textContent
-      ).to.equal('fromtheshell.');
+      ).toBe('fromtheshell.');
     });
 
     it('expand .env variables', async () => {
       const doc = await initDOM('expand-env-variables');
 
-      expect(doc.getElementById('feature-expand-env-1').textContent).to.equal(
+      expect(doc.getElementById('feature-expand-env-1').textContent).toBe(
         'basic'
       );
-      expect(doc.getElementById('feature-expand-env-2').textContent).to.equal(
+      expect(doc.getElementById('feature-expand-env-2').textContent).toBe(
         'basic'
       );
-      expect(doc.getElementById('feature-expand-env-3').textContent).to.equal(
+      expect(doc.getElementById('feature-expand-env-3').textContent).toBe(
         'basic'
       );
       expect(
         doc.getElementById('feature-expand-env-existing').textContent
-      ).to.equal('fromtheshell');
+      ).toBe('fromtheshell');
     });
   });
 });
diff --git a/packages/react-scripts/fixtures/kitchensink/integration/initDOM.js b/packages/react-scripts/fixtures/kitchensink/integration/initDOM.js
index 3d0eb7a1c9c..b27b5b77cf1 100644
--- a/packages/react-scripts/fixtures/kitchensink/integration/initDOM.js
+++ b/packages/react-scripts/fixtures/kitchensink/integration/initDOM.js
@@ -9,7 +9,6 @@ const fs = require('fs');
 const http = require('http');
 const jsdom = require('jsdom');
 const path = require('path');
-const { expect } = require('chai');
 
 let getMarkup;
 let resourceLoader;
@@ -52,7 +51,7 @@ if (process.env.E2E_FILE) {
     () => {
       expect(
         new Error("This isn't the error you are looking for.")
-      ).to.be.undefined();
+      ).toBeUndefined();
     }
   );
 }
diff --git a/packages/react-scripts/fixtures/kitchensink/integration/syntax.test.js b/packages/react-scripts/fixtures/kitchensink/integration/syntax.test.js
index 82e2c9e0db2..57ef183b613 100644
--- a/packages/react-scripts/fixtures/kitchensink/integration/syntax.test.js
+++ b/packages/react-scripts/fixtures/kitchensink/integration/syntax.test.js
@@ -5,7 +5,6 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import { expect } from 'chai';
 import initDOM from './initDOM';
 
 describe('Integration', () => {
@@ -15,23 +14,23 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-array-destructuring').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('array spread', async () => {
       const doc = await initDOM('array-spread');
 
-      expect(
-        doc.getElementById('feature-array-spread').childElementCount
-      ).to.equal(4);
+      expect(doc.getElementById('feature-array-spread').childElementCount).toBe(
+        4
+      );
     });
 
     it('async/await', async () => {
       const doc = await initDOM('async-await');
 
-      expect(
-        doc.getElementById('feature-async-await').childElementCount
-      ).to.equal(4);
+      expect(doc.getElementById('feature-async-await').childElementCount).toBe(
+        4
+      );
     });
 
     it('class properties', async () => {
@@ -39,7 +38,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-class-properties').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('computed properties', async () => {
@@ -47,7 +46,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-computed-properties').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('custom interpolation', async () => {
@@ -55,7 +54,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-custom-interpolation').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('default parameters', async () => {
@@ -63,7 +62,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-default-parameters').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('destructuring and await', async () => {
@@ -71,15 +70,15 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-destructuring-and-await').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('generators', async () => {
       const doc = await initDOM('generators');
 
-      expect(
-        doc.getElementById('feature-generators').childElementCount
-      ).to.equal(4);
+      expect(doc.getElementById('feature-generators').childElementCount).toBe(
+        4
+      );
     });
 
     it('object destructuring', async () => {
@@ -87,7 +86,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-object-destructuring').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('object spread', async () => {
@@ -95,15 +94,13 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-object-spread').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('promises', async () => {
       const doc = await initDOM('promises');
 
-      expect(doc.getElementById('feature-promises').childElementCount).to.equal(
-        4
-      );
+      expect(doc.getElementById('feature-promises').childElementCount).toBe(4);
     });
 
     it('rest + default', async () => {
@@ -111,7 +108,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-rest-and-default').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('rest parameters', async () => {
@@ -119,7 +116,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-rest-parameters').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
 
     it('template interpolation', async () => {
@@ -127,7 +124,7 @@ describe('Integration', () => {
 
       expect(
         doc.getElementById('feature-template-interpolation').childElementCount
-      ).to.equal(4);
+      ).toBe(4);
     });
   });
 });
diff --git a/packages/react-scripts/fixtures/kitchensink/integration/webpack.test.js b/packages/react-scripts/fixtures/kitchensink/integration/webpack.test.js
index 1fe5c9f64cd..0412d5bbfe8 100644
--- a/packages/react-scripts/fixtures/kitchensink/integration/webpack.test.js
+++ b/packages/react-scripts/fixtures/kitchensink/integration/webpack.test.js
@@ -5,7 +5,6 @@
  * LICENSE file in the root directory of this source tree.
  */
 
-import { expect } from 'chai';
 import initDOM from './initDOM';
 
 describe('Integration', () => {
@@ -15,16 +14,16 @@ describe('Integration', () => {
 
       expect(
         doc.getElementsByTagName('style')[0].textContent.replace(/\s/g, '')
-      ).to.match(/html\{/);
+      ).toMatch(/html\{/);
       expect(
         doc.getElementsByTagName('style')[1].textContent.replace(/\s/g, '')
-      ).to.match(/#feature-css-inclusion\{background:.+;color:.+}/);
+      ).toMatch(/#feature-css-inclusion\{background:.+;color:.+}/);
     });
 
     it('image inclusion', async () => {
       const doc = await initDOM('image-inclusion');
 
-      expect(doc.getElementById('feature-image-inclusion').src).to.match(
+      expect(doc.getElementById('feature-image-inclusion').src).toMatch(
         /^data:image\/jpeg;base64.+==$/
       );
     });
@@ -32,7 +31,7 @@ describe('Integration', () => {
     it('no ext inclusion', async () => {
       const doc = await initDOM('no-ext-inclusion');
 
-      expect(doc.getElementById('feature-no-ext-inclusion').href).to.match(
+      expect(doc.getElementById('feature-no-ext-inclusion').href).toMatch(
         /\/static\/media\/aFileWithoutExt\.[a-f0-9]{8}\.bin$/
       );
     });
@@ -40,7 +39,7 @@ describe('Integration', () => {
     it('json inclusion', async () => {
       const doc = await initDOM('json-inclusion');
 
-      expect(doc.getElementById('feature-json-inclusion').textContent).to.equal(
+      expect(doc.getElementById('feature-json-inclusion').textContent).toBe(
         'This is an abstract.'
       );
     });
@@ -48,7 +47,7 @@ describe('Integration', () => {
     it('linked modules', async () => {
       const doc = await initDOM('linked-modules');
 
-      expect(doc.getElementById('feature-linked-modules').textContent).to.equal(
+      expect(doc.getElementById('feature-linked-modules').textContent).toBe(
         '2.0.0'
       );
     });
@@ -56,7 +55,7 @@ describe('Integration', () => {
     it('svg inclusion', async () => {
       const doc = await initDOM('svg-inclusion');
 
-      expect(doc.getElementById('feature-svg-inclusion').src).to.match(
+      expect(doc.getElementById('feature-svg-inclusion').src).toMatch(
         /\/static\/media\/logo\..+\.svg$/
       );
     });
@@ -64,7 +63,7 @@ describe('Integration', () => {
     it('unknown ext inclusion', async () => {
       const doc = await initDOM('unknown-ext-inclusion');
 
-      expect(doc.getElementById('feature-unknown-ext-inclusion').href).to.match(
+      expect(doc.getElementById('feature-unknown-ext-inclusion').href).toMatch(
         /\/static\/media\/aFileWithExt\.[a-f0-9]{8}\.unknown$/
       );
     });
diff --git a/tasks/e2e-kitchensink.sh b/tasks/e2e-kitchensink.sh
index 547821b652a..ffef78f87ae 100755
--- a/tasks/e2e-kitchensink.sh
+++ b/tasks/e2e-kitchensink.sh
@@ -223,15 +223,17 @@ E2E_URL="http://localhost:3001" \
   REACT_APP_SHELL_ENV_MESSAGE=fromtheshell \
   CI=true NODE_PATH=src \
   NODE_ENV=development \
-  node_modules/.bin/mocha --require babel-register --require babel-polyfill integration/*.test.js
+  BABEL_ENV=test \
+  node_modules/.bin/jest "integration(/|\\)*.test.*"
 
 # Test "production" environment
 E2E_FILE=./build/index.html \
   CI=true \
   NODE_PATH=src \
   NODE_ENV=production \
+  BABEL_ENV=test \
   PUBLIC_URL=http://www.example.org/spa/ \
-  node_modules/.bin/mocha --require babel-register --require babel-polyfill integration/*.test.js
+  node_modules/.bin/jest "integration(/|\\)*.test.*"
 
 # ******************************************************************************
 # Finally, let's check that everything still works after ejecting.
@@ -285,15 +287,17 @@ E2E_URL="http://localhost:3002" \
   REACT_APP_SHELL_ENV_MESSAGE=fromtheshell \
   CI=true NODE_PATH=src \
   NODE_ENV=development \
-  node_modules/.bin/mocha --require babel-register --require babel-polyfill integration/*.test.js
+  BABEL_ENV=test \
+  node_modules/.bin/jest "integration(/|\\)*.test.*"
 
 # Test "production" environment
 E2E_FILE=./build/index.html \
   CI=true \
   NODE_ENV=production \
+  BABEL_ENV=test \
   NODE_PATH=src \
   PUBLIC_URL=http://www.example.org/spa/ \
-  node_modules/.bin/mocha --require babel-register --require babel-polyfill integration/*.test.js
+  node_modules/.bin/jest "integration(/|\\)*.test.*"
 
 # Cleanup
 cleanup