diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 789deab..60ba7e2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -3,6 +3,8 @@ name: Run tests when PR is created
 on:
   issue_comment:
     types: [created]
+  pull_request:
+    types: [opened,reopened]
 
 jobs:
   run-tests:
@@ -25,7 +27,7 @@ jobs:
 
       - name: Install dependencies with apt get
         run: |
-          sudo apt-get install -y libdbus-1-dev libdbus-glib-1-dev
+          sudo apt-get install -y libdbus-1-dev libdbus-glib-1-dev xvfb 
 
       - name: Install Pipenv
         run: |
diff --git a/README.md b/README.md
index 89db00d..b4847db 100644
--- a/README.md
+++ b/README.md
@@ -61,4 +61,6 @@ Run the tests:
 
 In order to get test coverage, run the following command and then open `htmlcov/index.html`
 
-    coverage run -m unittest discover && coverage html
\ No newline at end of file
+    coverage run -m unittest discover && coverage html
+
+test
\ No newline at end of file
diff --git a/test/test_UILayoutHelper.py b/test/test_UILayoutHelper.py
index 96f84ad..ed4c5e6 100644
--- a/test/test_UILayoutHelper.py
+++ b/test/test_UILayoutHelper.py
@@ -1,3 +1,4 @@
+import os
 import unittest
 from unittest.mock import Mock, patch
 
@@ -8,6 +9,10 @@
 
 class TestUILayoutHelper(unittest.TestCase):
     def setUp(self):
+        if os.name != "nt" and os.getenv("GITHUB_ACTIONS"):
+            os.system('Xvfb :1 -screen 0 1600x1200x16  &')
+            os.environ["DISPLAY"] = ":1.0"
+
         self.root = CTk()
 
         config_manager = Mock()