revert to test with dictionary

Author: dickreuter

pandas/tests/frame/test_alter_axes.py

@@ -392,6 +392,11 @@ def test_dti_set_index_reindex(self):
 
         assert new_index.freq == index.freq
 
+    def test_set_index_tuple(self):
+        # test for fix of issue #15457, where the following raised a TypeError
+        df = DataFrame([[2, 1, 2], [4, (1, 2), 3]]).set_index([0, 1])
+        assert df.to_dict() == {2: {(2, 1): 2, (4, (1, 2)): 3}}
+
     # Renaming
 
     def test_rename(self):

pandas/tests/indexes/multi/test_constructor.py

@@ -313,13 +313,6 @@ def test_from_product_empty_zero_levels():
         MultiIndex.from_product([])
 
 
-def test_set_index_tuple():
-    # test for fix of issue #15457, where the following raised a TypeError
-    result = pd.MultiIndex.from_arrays([[2, 4], [1, (1, 2)]])
-    expected = pd.MultiIndex.from_tuples([(2, 4), (1, (1, 2))])
-    assert result == expected
-
-
 def test_from_product_empty_one_level():
     result = MultiIndex.from_product([[]], names=['A'])
     expected = pd.Index([], name='A')
@@ -470,3 +463,4 @@ def test_tuples_with_name_string():
         pd.Index(li, name='abc')
     with pytest.raises(ValueError):
         pd.Index(li, name='a')
+