FIX-modin-project#2465: Add decorator to ensure read_excel does not l…

…eak files

Signed-off-by: Vasilij Litvinov <vasilij.n.litvinov@intel.com>

modin/pandas/test/test_io.py

@@ -26,6 +26,7 @@
 import shutil
 import sqlalchemy as sa
 import csv
+from pandas.util._test_decorators import check_file_leaks
 
 from .utils import (
     df_equals,
@@ -1184,6 +1185,7 @@ def test_from_clipboard():
 
 
 @pytest.mark.xfail(reason="read_excel is broken for now, see #1733 for details")
+@check_file_leaks
 def test_from_excel():
     setup_excel_file(NROWS)
 
@@ -1195,6 +1197,7 @@ def test_from_excel():
     teardown_excel_file()
 
 
+@check_file_leaks
 def test_from_excel_engine():
     setup_excel_file(NROWS)
 
@@ -1207,6 +1210,7 @@ def test_from_excel_engine():
     teardown_excel_file()
 
 
+@check_file_leaks
 def test_from_excel_index_col():
     setup_excel_file(NROWS)
 
@@ -1219,6 +1223,7 @@ def test_from_excel_index_col():
     teardown_excel_file()
 
 
+@check_file_leaks
 def test_from_excel_all_sheets():
     setup_excel_file(NROWS)
 
@@ -1236,6 +1241,7 @@ def test_from_excel_all_sheets():
     teardown_excel_file()
 
 
+@check_file_leaks
 def test_from_excel_sheetname_title():
     path = "modin/pandas/test/data/excel_sheetname_title.xlsx"
     modin_df = pd.read_excel(path)
@@ -1247,6 +1253,7 @@ def test_from_excel_sheetname_title():
     "sheet_name",
     ["Sheet1", "AnotherSpecialName", "SpecialName", "SecondSpecialName", 0, 1, 2, 3],
 )
+@check_file_leaks
 def test_from_excel_sheet_name(sheet_name):
     fname = "modin/pandas/test/data/modin_error_book.xlsx"
     modin_df = pd.read_excel(fname, sheet_name=sheet_name)