diff --git a/.gitattributes b/.gitattributes
index 159b7455..fa723415 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -6,3 +6,8 @@
 *.css text eol=lf
 *.html text eol=lf
 *.md text eol=lf
+*.yml text eol=lf
+*.graphql text eol=lf
+.eslintrc text eol=lf
+.prettierrc text eol=lf
+.babelrc text eol=lf
diff --git a/.github/workflows/CI.yml b/.github/workflows/CI.yml
index 52490718..4f91780b 100644
--- a/.github/workflows/CI.yml
+++ b/.github/workflows/CI.yml
@@ -15,3 +15,7 @@ jobs:
       - run: yarn install --immutable
       - run: yarn build:all
       - run: yarn test:all
+      - working-directory: ./extension
+        run: yarn install --immutable
+      - working-directory: ./extension
+        run: yarn test
diff --git a/extension/test/setup.js b/extension/test/setup.js
index d6cf9e27..b85f2f1e 100644
--- a/extension/test/setup.js
+++ b/extension/test/setup.js
@@ -5,4 +5,4 @@ import Adapter from 'enzyme-adapter-react-16';
 
 Enzyme.configure({ adapter: new Adapter() });
 
-jest.setTimeout(10000);
+jest.setTimeout(50000);