TST: window dtype comparisons, xref #11049

Author: jreback

pandas/tests/test_indexing.py

@@ -4604,9 +4604,9 @@ def test_indexing_dtypes_on_empty(self):
 
     def test_large_dataframe_indexing(self):
         #GH10692
-        result = DataFrame({'x': range(10**6)})
+        result = DataFrame({'x': range(10**6)},dtype='int64')
         result.loc[len(result)] = len(result) + 1
-        expected = DataFrame({'x': range(10**6 + 1)})
+        expected = DataFrame({'x': range(10**6 + 1)},dtype='int64')
         assert_frame_equal(result, expected)
 
     def test_large_mi_dataframe_indexing(self):