chore: use `@std` prefix for internal module specifiers (#24543)

This change aims to replace all relative import specifiers targeted at
`tests/util/std` with mapped ones (using a `deno.json` file). Towards
updating the `std` git submodule.

1 files changed, 5 insertions, 0 deletions

diff --git a/import_map.json b/import_map.json
new file mode 100644
index 000000000..0f0240a05
--- /dev/null
+++ b/import_map.json
@@ -0,0 +1,5 @@
+{
+  "imports": {
+    "@std/": "./tests/util/std/"
+  }
+}