fix GPU compat

Author: juliasloan25

test/shared_utilities/utilities.jl

@@ -286,9 +286,9 @@ end
     ) (:info, "No NaNs found") ClimaLand.count_nans_state(Y)
 
     # Add some NaNs to the fields
-    parent(var1)[1] = NaN
-    parent(var2)[1] = NaN
-    parent(var2)[2] = NaN
+    Array(parent(var1))[1] = NaN
+    Array(parent(var2))[1] = NaN
+    Array(parent(var2))[2] = NaN
 
     # Count and log the number of NaNs in the state
     @test_logs (:info, "Checking NaNs in var1") (:warn, "1 NaNs found") (