Rename test data function

Author: VeckoTheGecko

tests/test_interpolation.py

@@ -3,7 +3,7 @@
 import xarray as xr
 
 import parcels._interpolation as interpolation
-from tests.utils import create_fieldset_3d
+from tests.utils import create_fieldset_zeros_3d
 
 
 @pytest.fixture
@@ -98,7 +98,7 @@ def test_3d(self, data_3d, func, zeta, eta, xsi, expected):
 
 @pytest.mark.usefixtures("tmp_interpolator_registry")
 def test_interpolator_override():
-    fieldset = create_fieldset_3d()
+    fieldset = create_fieldset_zeros_3d()
 
     @interpolation.register_3d_interpolator("linear")
     def test_interpolator(ctx: interpolation.InterpolationContext3D):
@@ -116,7 +116,7 @@ def test_full_depth_provided_to_interpolators():
     https://github.com/OceanParcels/Parcels/pull/1816#discussion_r1908840408
     """
     xdim, ydim, zdim = 10, 11, 12
-    fieldset = create_fieldset_3d(xdim=xdim, ydim=ydim, zdim=zdim)
+    fieldset = create_fieldset_zeros_3d(xdim=xdim, ydim=ydim, zdim=zdim)
 
     @interpolation.register_3d_interpolator("linear")
     def test_interpolator2(ctx: interpolation.InterpolationContext3D):

tests/utils.py

@@ -23,7 +23,7 @@ def create_fieldset_unit_mesh(xdim=20, ydim=20, mesh="flat", transpose=False) ->
     return FieldSet.from_data(data, dimensions, mesh=mesh, transpose=transpose)
 
 
-def create_fieldset_3d(zdim=5, ydim=10, xdim=10):
+def create_fieldset_zeros_3d(zdim=5, ydim=10, xdim=10):
     """3d fieldset with U, V, and W equivalent to longitude, latitude, and depth."""
     tdim = 20
     ds = xr.Dataset(