Define a custom karma launcher - Chromium with --no-sandbox flag

karma.conf.js

@@ -53,7 +53,14 @@ module.exports = function(config) {
 
     // start these browsers
     // available browser launchers: https://npmjs.org/browse/keyword/karma-launcher
-    browsers: ["Chrome", "Firefox"],
+    browsers: ["Chromium", "Firefox"],
+
+    customLaunchers: {
+      Chromium: {
+        base: "Chrome",
+        flags: ["--no-sandbox"]
+      }
+    },
 
     // Continuous Integration mode
     // if true, Karma captures browsers, runs the tests and exits