Manually trigger creation of index

Author: cphyc

yt/visualization/volume_rendering/tests/test_composite.py

@@ -44,6 +44,9 @@ def tearDown(self):
     def test_composite_vr(self):
         ds = fake_random_ds(64)
         dd = ds.sphere(ds.domain_center, 0.45 * ds.domain_width[0])
+
+        # Trigger creation of index
+        ds.index
         ds.field_info[ds.field_list[0]].take_log = False
 
         sc = Scene()

yt/visualization/volume_rendering/tests/test_points.py

@@ -42,6 +42,9 @@ def tearDown(self):
     def test_points_vr(self):
         ds = fake_random_ds(64)
         dd = ds.sphere(ds.domain_center, 0.45 * ds.domain_width[0])
+
+        # Trigger creation of index
+        ds.index
         ds.field_info[ds.field_list[0]].take_log = False
 
         sc = Scene()

yt/visualization/volume_rendering/tests/test_zbuff.py

@@ -53,6 +53,8 @@ def tearDown(self):
     def test_composite_vr(self):
         ds = fake_random_ds(64)
         dd = ds.sphere(ds.domain_center, 0.45 * ds.domain_width[0])
+        # Trigger creation of index
+        ds.index
         ds.field_info[ds.field_list[0]].take_log = False
 
         sc = Scene()