chore: rewrite tests and utils to use Deno.Command API (#16895)

Since "Deno.spawn()", "Deno.spawnSync()" and "Deno.spawnChild"
are getting deprecated, this commits rewrites all tests and utilities to
use "Deno.Command" API instead.

1 files changed, 2 insertions, 2 deletions

diff --git a/tools/wpt/runner.ts b/tools/wpt/runner.ts
index 269e6ffd1..517ce42b5 100644
--- a/tools/wpt/runner.ts
+++ b/tools/wpt/runner.ts
@@ -107,14 +107,14 @@ export async function runSingleTest(
       "[]",
     );
 
-    const proc = Deno.spawnChild(denoBinary(), {
+    const proc = new Deno.Command(denoBinary(), {
       args,
       env: {
         NO_COLOR: "1",
       },
       stdout: "null",
       stderr: "piped",
-    });
+    }).spawn();
 
     const cases = [];
     let stderr = "";