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, 6 insertions, 6 deletions

diff --git a/tests/unit/test_util.ts b/tests/unit/test_util.ts
index 2f2730794..c73f52b15 100644
--- a/tests/unit/test_util.ts
+++ b/tests/unit/test_util.ts
@@ -1,8 +1,8 @@
 // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.
 
-import * as colors from "@test_util/std/fmt/colors.ts";
+import * as colors from "@std/fmt/colors.ts";
 export { colors };
-import { join, resolve } from "@test_util/std/path/mod.ts";
+import { join, resolve } from "@std/path/mod.ts";
 export {
   assert,
   assertEquals,
@@ -19,10 +19,10 @@ export {
   fail,
   unimplemented,
   unreachable,
-} from "@test_util/std/assert/mod.ts";
-export { delay } from "@test_util/std/async/delay.ts";
-export { readLines } from "@test_util/std/io/read_lines.ts";
-export { parse as parseArgs } from "@test_util/std/flags/mod.ts";
+} from "@std/assert/mod.ts";
+export { delay } from "@std/async/delay.ts";
+export { readLines } from "@std/io/read_lines.ts";
+export { parse as parseArgs } from "@std/flags/mod.ts";
 
 export function pathToAbsoluteFileUrl(path: string): URL {
   path = resolve(path);