diff --git a/.buildbot/node/Dockerfile b/.buildbot/node/Dockerfile
index 6c91a68..c119147 100644
--- a/.buildbot/node/Dockerfile
+++ b/.buildbot/node/Dockerfile
@@ -1,7 +1,8 @@
 FROM node:18-bullseye
 
 RUN apt-get update
-RUN apt-get install -yq --no-install-suggests --no-install-recommends xauth xvfb
+RUN apt-get install -yq --no-install-suggests --no-install-recommends \
+    xauth xvfb chromium firefox-esr
 
 WORKDIR /app
 ADD src ./src
diff --git a/.gitea/workflows/test.yaml b/.gitea/workflows/test.yaml
index b04b338..cc2cd90 100644
--- a/.gitea/workflows/test.yaml
+++ b/.gitea/workflows/test.yaml
@@ -9,7 +9,7 @@ jobs:
         run: |
           apt-get update
           apt-get install -yq --no-install-suggests --no-install-recommends \
-          xauth xvfb
+          xauth xvfb chromium firefox-esr
       - name: Check out repository code
         uses: actions/checkout@v3
       - name: Install
diff --git a/karma.conf.js b/karma.conf.js
index 6c2dec6..9525dd8 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -1,4 +1,4 @@
-process.env.CHROME_BIN = "chromium-browser";
+process.env.CHROME_BIN = "/usr/bin/chromium";
 var allTests = process.env.ALL_TESTS === "1";
 
 module.exports = function(config) {
diff --git a/package.json b/package.json
index ddf6d03..ad1c507 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
   },
   "scripts": {
     "install": "node-gyp rebuild || exit 0",
-    "test": "ALL_TESTS=1 mocha && ALL_TESTS=1 xvfb-run -a karma start --browsers Chromium && ALL_TESTS=1 xvfb-run -a karma start --browsers Firefox && jshint .",
+    "test": "ALL_TESTS=1 mocha && xvfb-run -a karma start && jshint .",
     "m": "mocha",
     "kc": "xvfb-run -a karma start --browsers Chromium",
     "kf": "xvfb-run -a karma start --browsers Firefox",