enable saving segy file header in tests

Author: Altay Sansal

tests/integration/test_segy_import_export.py

@@ -34,7 +34,9 @@
 
     from segy.schema import SegySpec
 
+
 dask.config.set(scheduler="synchronous")
+os.environ["MDIO__IMPORT__SAVE_SEGY_FILE_HEADER"] = "true"
 
 
 # TODO(Altay): Finish implementing these grid overrides.

tests/integration/test_segy_import_export_masked.py

@@ -7,6 +7,7 @@
 
 from __future__ import annotations
 
+import os
 from dataclasses import dataclass
 from pathlib import Path
 from typing import TYPE_CHECKING
@@ -33,6 +34,9 @@
     from numpy.typing import NDArray
 
 
+os.environ["MDIO__IMPORT__SAVE_SEGY_FILE_HEADER"] = "true"
+
+
 @dataclass
 class Dimension:
     """Represents a single dimension for a multidimensional grid."""