Make mask IO unit tests deterministic (#2310)

charleskawczynski · web-flow · commit 75e958e0b234 · 2025-04-23T13:30:55.000-04:00
diff --git a/test/InputOutput/unit_spectralelement2d.jl b/test/InputOutput/unit_spectralelement2d.jl
@@ -124,7 +124,7 @@ end
     Y = Fields.FieldVector(y0 = y0)
 
     Spaces.set_mask!(space) do coords
-        rand() > 0.5
+        sin(coords.x) > 0.5
     end
 
     # write field vector to hdf5 file
