Update tests to extend check_table_name

tests/test_util.py

@@ -13,8 +13,9 @@ from data.database import PowerballDraw, MegaMillionsDraw
 
 
 def test_check_table_name() -> None:
-    assert ud.check_table_name('PowerballDraw')
-    assert not ud.check_table_name('SomeNoneExistentTableName')
+    assert isinstance(ud.check_table_name('PowerballDraw'), dict)
+    assert isinstance(ud.check_table_name('MegaMillionsDraw'), dict)
+    assert ud.check_table_name('SomeNoneExistentTableName') is None
 
 
 def test_convert_string_to_integer() -> None: