diff --git a/alphastats/gui/test/test_03_data_overview.py b/alphastats/gui/test/test_03_data_overview.py
new file mode 100644
index 00000000..eaf00d14
--- /dev/null
+++ b/alphastats/gui/test/test_03_data_overview.py
@@ -0,0 +1,20 @@
+from streamlit.testing.v1 import AppTest
+from pathlib import Path
+from unittest.mock import MagicMock, patch
+import pandas as pd
+from io import BytesIO
+
+def print_session_state(apptest: AppTest):
+    for k,v in apptest.session_state.filtered_state.items():
+        print(f"{k}:    {str(type(v))}   {str(v)[:20] if type(v) not in [int, list, str] else v}")
+
+APP_FOLDER = Path(__file__).parent / Path("../")
+APP_FILE = f"{APP_FOLDER}/pages/03_Data Overview.py"
+TEST_INPUT_FILES = f"{APP_FOLDER}/../../testfiles"
+
+def test_page_03_loads_without_input():
+    """Test if the page loads without any input and inititalizes the session state with the correct values."""
+    at = AppTest(APP_FILE, default_timeout=200)
+    at.run()
+
+    assert not at.exception
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