Increase the timeout to account for slow CI nodes

Author: rhpvorderman

tests/test_gzip_ng_threaded.py

@@ -213,7 +213,7 @@ def test_threaded_writer_does_not_close_stream():
     assert gzip.decompress(test_stream.read()) == b"thisisatest"
 
 
-@pytest.mark.timeout(5)
+@pytest.mark.timeout(15)
 @pytest.mark.parametrize(
     ["mode", "threads"], itertools.product(["rb", "wb"], [1, 2]))
 def test_threaded_program_can_exit_on_error(tmp_path, mode, threads):