FIX: More

ArduPilot · Dec 31, 2024 · 181a6ea · 181a6ea
1 parent 4c0905a
commit 181a6ea
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/unittests/frontend_tkinter_parameter_editor_documentation_frame_test.py b/unittests/frontend_tkinter_parameter_editor_documentation_frame_test.py
@@ -10,6 +10,7 @@
 SPDX-License-Identifier: GPL-3.0-or-later
 """
 
+import os
 import tkinter as tk
 import unittest
 from tkinter import ttk
@@ -22,6 +23,7 @@ class TestDocumentationFrame(unittest.TestCase):
     """Test the DocumentationFrame class."""
 
     def setUp(self) -> None:
+        os.environ["DISPLAY"] = ":0"  # Set DISPLAY environment variable for headless mode
         self.root = tk.Tk()
         self.local_filesystem = Mock()
         self.local_filesystem.get_documentation_text_and_url.return_value = ("Sample blog text", "http://example.com/blog")