diff --git a/test/copy_from_terraform_test.go b/test/copy_from_terraform_test.go
index 42a157e..8ca717c 100644
--- a/test/copy_from_terraform_test.go
+++ b/test/copy_from_terraform_test.go
@@ -200,7 +200,11 @@ func TestCopyFromStringOverride(t *testing.T) {
 	obj := copyFromTerraformObject(t)
 
 	target := Test{}
-	require.False(t, CopyTestFromTerraform(context.Background(), obj, &target).HasError())
+	diags := CopyTestFromTerraform(context.Background(), obj, &target)
+	for _, err := range diags.Errors() {
+		t.Logf("%s DETAIL: %s SUMMARY: %s", err.Severity(), err.Detail(), err.Summary())
+	}
+	require.Empty(t, diags.Errors())
 
 	require.Equal(t, "a/b/c", target.StringOverride)
 }
diff --git a/test/fixtures.go b/test/fixtures.go
index f431969..977f0c8 100644
--- a/test/fixtures.go
+++ b/test/fixtures.go
@@ -428,6 +428,8 @@ func copyFromTerraformObject(t *testing.T) types.Object {
 				types.String{Value: "b"},
 				types.String{Value: "c"},
 			}},
+			"foo": types.String{Null: true},
+			"bar": types.String{Value: "ham"},
 		},
 		AttrTypes: obj.AttrTypes,
 	}