diff --git a/tests/images/solution-pokemon_jakt.png b/tests/images/solution-pokemon_jakt.png
new file mode 100644
index 0000000..9304531
Binary files /dev/null and b/tests/images/solution-pokemon_jakt.png differ
diff --git a/tests/test_luke04.py b/tests/test_luke04.py
index 376886c..0e67e21 100644
--- a/tests/test_luke04.py
+++ b/tests/test_luke04.py
@@ -1,2 +1,12 @@
+import os
+from PIL import Image
+from luke_04.LSB import main
+
+path = os.path.dirname(__file__)
+
 def test_answer():
-  assert False
+  solution_path = os.path.join(path, 'images/solution-pokemon_jakt.png')
+  solution_image = Image.open(solution_path)
+  answer_image = Image.open(main())
+  
+  assert solution_image.tobytes == answer_image.tobytes