diff --git a/view/tree2/to/js/test/ex/array_number.view.tree b/view/tree2/to/js/test/ex/array_number.view.tree
index 095434605d4..239b9419ee5 100644
--- a/view/tree2/to/js/test/ex/array_number.view.tree
+++ b/view/tree2/to/js/test/ex/array_number.view.tree
@@ -1,6 +1,6 @@
 $mol_view_tree2_to_js_test_ex_array_number_foo $mol_object
 	bar /
-		- NaN
+		-NaN
 		-Infinity
 		+Infinity
 		0
diff --git a/view/tree2/to/js/test/js.array.test.ts b/view/tree2/to/js/test/js.array.test.ts
index dedbc2481a9..0436a298560 100644
--- a/view/tree2/to/js/test/js.array.test.ts
+++ b/view/tree2/to/js/test/js.array.test.ts
@@ -22,7 +22,7 @@ namespace $ {
 			$mol_assert_like(
 				foo.bar(),
 				[
-					// Number.NaN,
+					Number.NaN,
 					Number.NEGATIVE_INFINITY,
 					Number.POSITIVE_INFINITY,
 					0,
diff --git a/view/tree2/to/js/test/run.ts b/view/tree2/to/js/test/run.ts
index 13ccd27fbc8..81177fc1c62 100644
--- a/view/tree2/to/js/test/run.ts
+++ b/view/tree2/to/js/test/run.ts
@@ -1,6 +1,6 @@
 namespace $ {
 
-	const str2js_dts = (function (this: $, data: string, url: string) {
+	const str2js = (function (this: $, data: string, url: string) {
 		const tree = this.$mol_tree2_from_string(data, url)
 		const js_tree = this.$mol_view_tree2_to_js(tree)
 		const js_text = this.$mol_tree2_js_to_text(js_tree)
@@ -8,25 +8,13 @@ namespace $ {
 		return js_str
 	}).bind($ as typeof $$)
 
-	function $mol_view_tree2_to_js_test_id(stack_index = 1, no_prefix = false) {
-		const name = new Error('').stack
-			?.split('\n').at(stack_index + 1)?.match(/ at (.*) \(/)
-			?.[1].toLowerCase().replace(/[ .]/g, '_') ?? ''
-
-		if (no_prefix) return name
-
-		return '$mol_view_tree2_to_js_test_ex_' + name
-	}
-
 	export function $mol_view_tree2_to_js_test_run( tree: string ): any {
 		class $mol_view_mock extends $mol_object {}
 		const $ = { $mol_object: $mol_view_mock }
 		;( $mol_view_mock as any )[$mol_ambient_ref] = $
 
-		const name = $mol_view_tree2_to_js_test_id(2, true)
-
-		const src_uri = `${name}.view.tree`
-		const js = str2js_dts( tree, src_uri )
+		const src_uri = `.view.tree`
+		const js = str2js( tree, src_uri )
 
 		eval( js )
 		return $