chore: use `@std` import instead of `@test_util/std` (#22398)

This PR:
1. Replaces `@test_util/std`-prefixed imports with `@std`.
2. Adds `@std/` import map entries to a few `deno.json` files.

1 files changed, 4 insertions, 4 deletions

diff --git a/tests/unit_node/process_test.ts b/tests/unit_node/process_test.ts
index 4f4703d35..bc2ff640e 100644
--- a/tests/unit_node/process_test.ts
+++ b/tests/unit_node/process_test.ts
@@ -11,10 +11,10 @@ import {
   assertObjectMatch,
   assertStrictEquals,
   assertThrows,
-} from "@test_util/std/assert/mod.ts";
-import { stripColor } from "@test_util/std/fmt/colors.ts";
-import * as path from "@test_util/std/path/mod.ts";
-import { delay } from "@test_util/std/async/delay.ts";
+} from "@std/assert/mod.ts";
+import { stripColor } from "@std/fmt/colors.ts";
+import * as path from "@std/path/mod.ts";
+import { delay } from "@std/async/delay.ts";
 
 const testDir = new URL(".", import.meta.url);