test: include gzip in default compression level tests for write_parquet

Author: kosiew

python/tests/test_dataframe.py

@@ -1113,10 +1113,10 @@ def test_write_compressed_parquet_invalid_compression(df, tmp_path, compression)
         df.write_parquet(str(path), compression=compression)
 
 
-# Test write_parquet with zstd, brotli default compression level,
+# Test write_parquet with zstd, brotli, gzip default compression level,
 # ie don't specify compression level
 # should complete without error
-@pytest.mark.parametrize("compression", ["zstd", "brotli"])
+@pytest.mark.parametrize("compression", ["zstd", "brotli", "gzip"])
 def test_write_compressed_parquet_default_compression_level(df, tmp_path, compression):
     path = tmp_path