fix tests

Author: sfc-gh-jenzhang

tests/integ/modin/groupby/test_groupby_idxmax_idxmin.py

@@ -157,7 +157,7 @@ def grouper(c):
     native_res = df.groupby(by=grouper, axis=1).idxmax(axis=0)
     with pytest.raises(
         NotImplementedError,
-        match="GroupBy does not yet support axis == 1, by != None and level != None, or by containing any non-pandas hashable labels.",
+        match="Groupby does not yet support axis == 1, by != None and level != None, or by containing any non-pandas hashable labels.",
     ):
         snow_res = pd.DataFrame(df).groupby(by=grouper, axis=1).idxmax(axis=0)
         assert_frame_equal(native_res, snow_res, check_index_type=False)

tests/integ/modin/groupby/test_grouping.py

@@ -178,7 +178,7 @@ def test_select_cols_with_axis_1_raise(single_row_dfs):
         lambda df: df.groupby("A", axis=1)["B"],
         expect_exception=True,
         expect_exception_type=NotImplementedError,
-        expect_exception_match="GroupBy does not yet support axis == 1, by != None and level != None, or by containing any non-pandas hashable labels.",
+        expect_exception_match="Groupby does not yet support axis == 1, by != None and level != None, or by containing any non-pandas hashable labels.",
     )