Fix npm test issues

jest.config.js

@@ -1,5 +1,5 @@
 module.exports = {
-  testEnvironment: 'node',
+  testEnvironment: 'jsdom',
   testMatch: ['**/tests/unit/**/*.test.js'],
   coverageDirectory: 'coverage',
   coverageReporters: ['text', 'lcov', 'html'],

test-results/.last-run.json

@@ -0,0 +1,7 @@
+{
+  "status": "failed",
+  "failedTests": [
+    "f849686cfb98f196064d-23081eeb2cc588b92600",
+    "f849686cfb98f196064d-c8ff80318a230bad1c44"
+  ]
+}