diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 6fc19329..c12e99ce 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
             ts-build/
 
   run-karma:
-    runs-on: macos-12
+    runs-on: ubuntu-latest
     env:
       BROWSERSTACK_USERNAME: ${{ secrets.BROWSERSTACK_USERNAME }}
       BROWSERSTACK_ACCESS_KEY: ${{ secrets.BROWSERSTACK_ACCESS_KEY }}
@@ -25,12 +25,7 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: ./.github/commands/dependencies/install_yarn_deps
-      # - uses: actions/setup-node@v2
-      #   with:
-      #     node-version: '14.17.3'
-      # - run: npm install -g "yarn@1.22.5"
-      # - run: yarn
-      - run: yarn test:browserstack
+      - run: yarn karma start karma.browserstack.js
 
   run-depcheck:
     runs-on: ubuntu-latest