diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 23af4ed8d2..a5d475d62f 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -24,7 +24,7 @@ env:
 
 jobs:
   unit-test:
-    runs-on: ubuntu-latest
+    runs-on: [ self-hosted, master ]
     steps:
       - uses: actions/checkout@v2
         with:
diff --git a/karma.conf.js b/karma.conf.js
index 2c97d66fc9..6134ebd8c6 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -29,6 +29,13 @@ if (process.env.SAUCE_USERNAME && process.env.SAUCE_ACCESS_KEY) {
       platform: 'Windows 10',
       version: 'latest',
     },
+    sl_latest_firefox: {
+      base: 'SauceLabs',
+      browserName: 'firefox',
+      platform: 'Windows 10',
+      version: '98.0',
+      geckodriverVersion: '0.30.0',
+    },
     sl_latest_safari: {
       base: 'SauceLabs',
       browserName: 'safari',