fix(): update karma config for macOS

https://discussions.apple.com/thread/253741610

Author: ShaMan123

karma.conf.cjs

@@ -1,13 +1,12 @@
 /** eslint-env node */
 
 // configures browsers to run test against
-// any of [ 'ChromeHeadless', 'Chrome', 'Firefox' ]
-const browsers = (process.env.TEST_BROWSERS || 'ChromeHeadless').split(',');
+// any of [ 'ChromeHeadless', 'ChromeHeadlessDev', 'Chrome', 'ChromeDev', 'Firefox' ]
+const browsers = (process.env.TEST_BROWSERS || 'ChromeHeadlessDev').split(',');
 
 // use puppeteer provided Chrome for testing
 process.env.CHROME_BIN = require('puppeteer').executablePath();
 
-
 module.exports = function(karma) {
   karma.set({
 
@@ -32,6 +31,26 @@ module.exports = function(karma) {
     webpack: {
       mode: 'development',
       devtool: 'eval-source-map'
+    },
+
+    customLaunchers: {
+      ChromeDev: {
+        base: 'Chrome',
+        displayName: 'ChromeDev',
+        flags: [
+          // disable chromium safe storage access request security prompt on macOS
+          '--use-mock-keychain',
+        ]
+      },
+      ChromeHeadlessDev: {
+        base: 'ChromeHeadless',
+        displayName: 'ChromeHeadlessDev',
+        flags: [
+          // disable chromium safe storage access request security prompt on macOS
+          '--use-mock-keychain',
+        ]
+      }
     }
+
   });
 };