make tests work

package.json

@@ -58,23 +58,23 @@
   },
   "devDependencies": {
     "@parcel/core": "^2.12.0",
-    "@parcel/transformer-inline-string": "^2.0.0",
-    "@parcel/transformer-sass": "^2.0.0",
-    "chai": "^4.3.10",
-    "cypress": "^13.6.0",
+    "@parcel/transformer-inline-string": "^2.12.0",
+    "@parcel/transformer-sass": "^2.12.0",
+    "chai": "^4.4.1",
+    "cypress": "^13.11.0",
     "cypress-file-upload": "^5.0.8",
     "express": "^4.19.2",
-    "karma": "^6.1.0",
-    "karma-chrome-launcher": "^3.1.0",
+    "karma": "^6.4.3",
+    "karma-chrome-launcher": "^3.2.0",
     "karma-mocha": "^2.0.1",
     "karma-sinon-chai": "^2.0.2",
-    "karma-spec-reporter": "^0.0.32",
-    "mocha": "^9.1.3",
-    "mocha-headless-chrome": "^3.0.0",
-    "parcel": "^2.0.0",
-    "sass": "^1.33.0",
-    "sinon": "^11.1.2",
-    "sinon-chai": "^3.5.0",
+    "karma-spec-reporter": "^0.0.36",
+    "mocha": "^10.4.0",
+    "mocha-headless-chrome": "^4.0.0",
+    "parcel": "^2.12.0",
+    "sass": "^1.77.4",
+    "sinon": "^18.0.0",
+    "sinon-chai": "^3.7.0",
     "typescript": "^5.4.5"
   },
   "packageManager": "[email protected]"

test/karma.conf.js

@@ -17,5 +17,6 @@ module.exports = function (config) {
     autoWatch: false,
     singleRun: true, // Karma captures browsers, runs the tests and exits
     concurrency: Infinity,
+    plugins: ["karma-mocha", "karma-spec-reporter", "karma-chrome-launcher", "karma-sinon-chai"],
   });
 };