diff --git a/imap_processing/tests/idex/conftest.py b/imap_processing/tests/idex/conftest.py
new file mode 100644
index 000000000..a2a9d4d77
--- /dev/null
+++ b/imap_processing/tests/idex/conftest.py
@@ -0,0 +1,22 @@
+from pathlib import Path
+
+import pytest
+import xarray as xr
+
+from imap_processing import imap_module_directory
+from imap_processing.idex.l1.idex_l1 import PacketParser
+
+
+@pytest.fixture()
+def decom_test_data() -> xr.Dataset:
+    """Return a ``xarray`` dataset containing test data.
+
+    Returns
+    -------
+    dataset : xarray.Dataset
+        A ``xarray`` dataset containing the test data
+    """
+    test_file = Path(
+        f"{imap_module_directory}/tests/idex/imap_idex_l0_raw_20230725_v001.pkts"
+    )
+    return PacketParser(test_file, "001").data
diff --git a/imap_processing/tests/idex/test_idex_l0.py b/imap_processing/tests/idex/test_idex_l0.py
index 131640619..d8ead8495 100644
--- a/imap_processing/tests/idex/test_idex_l0.py
+++ b/imap_processing/tests/idex/test_idex_l0.py
@@ -1,28 +1,9 @@
 """Tests the decommutation process for IDEX CCSDS Packets."""
 
-from pathlib import Path
-
 import numpy as np
-import pytest
 import xarray as xr
 
 from imap_processing import imap_module_directory
-from imap_processing.idex.l1.idex_l1 import PacketParser
-
-
-@pytest.fixture(scope="session")
-def decom_test_data() -> xr.Dataset:
-    """Return a ``xarray`` dataset containing test data.
-
-    Returns
-    -------
-    dataset : xarray.Dataset
-        A ``xarray`` dataset containing the test data
-    """
-    test_file = Path(
-        f"{imap_module_directory}/tests/idex/imap_idex_l0_raw_20230725_v001.pkts"
-    )
-    return PacketParser(test_file, "001").data
 
 
 def test_idex_decom_length(decom_test_data: xr.Dataset):
diff --git a/imap_processing/tests/idex/test_idex_l1.py b/imap_processing/tests/idex/test_idex_l1.py
index d7ca35e15..7bf72aea3 100644
--- a/imap_processing/tests/idex/test_idex_l1.py
+++ b/imap_processing/tests/idex/test_idex_l1.py
@@ -1,7 +1,5 @@
 """Tests the L1 processing for decommutated IDEX data"""
 
-from pathlib import Path
-
 import numpy as np
 import pytest
 import xarray as xr
@@ -9,22 +7,6 @@
 
 from imap_processing import imap_module_directory
 from imap_processing.cdf.utils import load_cdf, write_cdf
-from imap_processing.idex.l1.idex_l1 import PacketParser
-
-
-@pytest.fixture()
-def decom_test_data() -> xr.Dataset:
-    """Return a ``xarray`` dataset containing test data.
-
-    Returns
-    -------
-    dataset : xarray.Dataset
-        A ``xarray`` dataset containing the test data
-    """
-    test_file = Path(
-        f"{imap_module_directory}/tests/idex/imap_idex_l0_raw_20230725_v001.pkts"
-    )
-    return PacketParser(test_file, "v001").data
 
 
 def test_idex_cdf_file(decom_test_data: xr.Dataset):