Adjust constructor test to match

src/pynwb/tests/test_constructors.py

@@ -2,6 +2,7 @@
 
 import pytest
 
+import pynwb
 from ndx_microscopy.testing import (
     mock_Microscope,
     mock_MicroscopyLightSource,
@@ -74,15 +75,26 @@ def test_constructor_volumetric_microscopy_series():
 
 def test_constructor_multi_channel_microscopy_volume():
     microscope = mock_Microscope()
-    light_source = mock_MicroscopyLightSource()
     imaging_space = mock_VolumetricImagingSpace(microscope=microscope)
-    optical_channel = mock_MicroscopyOpticalChannel()
+    light_sources = [mock_MicroscopyLightSource()]
+    optical_channels = [mock_MicroscopyOpticalChannel()]
 
+    light_sources_used_by_volume = pynwb.base.VectorData(
+        name="light_sources", description="Light sources used by this MultiChannelVolume.", data=light_sources
+    )
+    optical_channels_used_by_volume = pynwb.base.VectorData(
+        name="optical_channels",
+        description=(
+            "Optical channels ordered to correspond to the third axis (e.g., [0, 0, :, 0]) "
+            "of the data for this MultiChannelVolume."
+        ),
+        data=optical_channels,
+    )
     mock_MultiChannelMicroscopyVolume(
         microscope=microscope,
         imaging_space=imaging_space,
-        light_sources=[light_source],
-        optical_channels=[optical_channel],
+        light_sources=light_sources_used_by_volume,
+        optical_channels=optical_channels_used_by_volume,
     )
 
 

src/pynwb/tests/test_roundtrip.py

@@ -200,7 +200,10 @@ def test_roundtrip(self):
         )
         optical_channels_used_by_volume = pynwb.base.VectorData(
             name="optical_channels",
-            description="Optical channels ordered to correspond to the third axis (e.g., [0, 0, :, 0]) of the data for this MultiChannelVolume.",
+            description=(
+                "Optical channels ordered to correspond to the third axis (e.g., [0, 0, :, 0]) "
+                "of the data for this MultiChannelVolume."
+            ),
             data=optical_channels,
         )
         multi_channel_microscopy_volume = mock_MultiChannelMicroscopyVolume(