TST: Fix crosstab margin tests for correct NaN handling with dropna=False (GH#61509)

Author: iabhi4

pandas/tests/reshape/test_crosstab.py

@@ -344,13 +344,13 @@ def test_margin_dropna6(self):
         )
         expected = DataFrame(
             [
-                [1, 0, 1],
-                [1, 0, 1],
+                [1, 0, 1.0],
+                [1, 0, 1.0],
                 [0, 0, np.nan],
-                [2, 0, 2],
-                [1, 1, 2],
-                [0, 1, 1],
-                [5, 2, 7],
+                [2, 0, 2.0],
+                [1, 1, 2.0],
+                [0, 1, 1.0],
+                [5, 2, 7.0],
             ],
             index=m,
         )