diff --git a/test/unit/middleware/karma.spec.js b/test/unit/middleware/karma.spec.js
index ef78829cb..305e765d6 100644
--- a/test/unit/middleware/karma.spec.js
+++ b/test/unit/middleware/karma.spec.js
@@ -197,7 +197,7 @@ describe('middleware.karma', () => {
 
     response.once('end', () => {
       expect(nextSpy).not.to.have.been.called
-      expect(response).to.beServedAs(200, 'CONTEXT\n<script type="text/javascript" src="/__karma__/absolute/first.js?sha123"></script>\n<script type="application/dart" src="/__karma__/absolute/second.dart?sha456"></script>')
+      expect(response).to.beServedAs(200, 'CONTEXT\n<script type="text/javascript" src="/__karma__/absolute/first.js?sha123" crossorigin="anonymous"></script>\n<script type="application/dart" src="/__karma__/absolute/second.dart?sha456" crossorigin="anonymous"></script>')
       done()
     })
 
@@ -227,7 +227,7 @@ describe('middleware.karma', () => {
 
     response.once('end', () => {
       expect(nextSpy).not.to.have.been.called
-      expect(response).to.beServedAs(200, 'CONTEXT\n<script type="text/javascript" src="/__karma__/absolute/some/abc/a.js?sha"></script>\n<script type="text/javascript" src="/__karma__/base/b.js?shaaa"></script>')
+      expect(response).to.beServedAs(200, 'CONTEXT\n<script type="text/javascript" src="/__karma__/absolute/some/abc/a.js?sha" crossorigin="anonymous"></script>\n<script type="text/javascript" src="/__karma__/base/b.js?shaaa" crossorigin="anonymous"></script>')
       done()
     })
 
@@ -281,7 +281,7 @@ describe('middleware.karma', () => {
     ])
 
     response.once('end', () => {
-      expect(response).to.beServedAs(200, 'CONTEXT\n<script type="text/javascript" src="http://some.url.com/whatever"></script>')
+      expect(response).to.beServedAs(200, 'CONTEXT\n<script type="text/javascript" src="http://some.url.com/whatever" crossorigin="anonymous"></script>')
       done()
     })
 
@@ -344,7 +344,7 @@ describe('middleware.karma', () => {
 
     response.once('end', () => {
       expect(nextSpy).not.to.have.been.called
-      expect(response).to.beServedAs(200, 'DEBUG\n<script type="text/javascript" src="/__karma__/absolute/first.js"></script>\n<script type="text/javascript" src="/__karma__/base/b.js"></script>')
+      expect(response).to.beServedAs(200, 'DEBUG\n<script type="text/javascript" src="/__karma__/absolute/first.js" crossorigin="anonymous"></script>\n<script type="text/javascript" src="/__karma__/base/b.js" crossorigin="anonymous"></script>')
       done()
     })