Update load_dataframe tests

tests/lottery_predictor/test_analyze.py

@@ -1,3 +1,4 @@
+from datetime import datetime
 import pytest
 import pandas as pd
 
@@ -5,8 +6,13 @@ import lottery_predictor.analyze as analyze
 
 
 def test_load_dataframe() -> None:
-    assert int(analyze.load_dataframe(table_name='PowerballDraw').count()['draw_date']) >= 1324
-    assert int(analyze.load_dataframe(table_name='MegaMillionsDraw').count()['draw_date']) >= 95
+    pb_start = datetime(2015, 10, 4)
+    mm_start = datetime(2025, 4, 5)
+    date_end = datetime(2026, 3, 8)
+    assert int(analyze.load_dataframe(
+        table_name='PowerballDraw', start_date=pb_start, end_date=date_end).count()['draw_date']) == 1324
+    assert int(analyze.load_dataframe(
+        table_name='MegaMillionsDraw', start_date=mm_start, end_date=date_end).count()['draw_date']) == 96
     with pytest.raises(ValueError):
         analyze.load_dataframe(table_name='SomNonExistentTableName')