diff --git a/tests/javascripts/jest.config.js b/tests/javascripts/jest.config.js
index 75dfe255b..a38cea60f 100644
--- a/tests/javascripts/jest.config.js
+++ b/tests/javascripts/jest.config.js
@@ -1,6 +1,9 @@
 module.exports = {
   collectCoverage: true,
   coverageDirectory: './coverage',
+  coveragePathIgnorePatterns: [
+    'support/polyfills.js'
+  ],
   coverageThreshold: {
     global: {
       branches: 75,