diff --git a/cmd/test/plug_run.test.ts b/cmd/test/plug_run.test.ts
deleted file mode 100644
index 49f12335..00000000
--- a/cmd/test/plug_run.test.ts
+++ /dev/null
@@ -1,47 +0,0 @@
-import { AssetBundle } from "$lib/asset_bundle/bundle.ts";
-import { compileManifest } from "../compile.ts";
-import * as esbuild from "esbuild";
-import assets from "../../dist/plug_asset_bundle.json" with { type: "json" };
-import { assertEquals } from "@std/assert";
-import { dirname, join } from "@std/path";
-import { MemoryKvPrimitives } from "$lib/data/memory_kv_primitives.ts";
-import { runPlug } from "../plug_run.ts";
-import { fileURLToPath } from "node:url";
-
-Deno.test("Test plug run", {
-  sanitizeResources: false,
-  sanitizeOps: false,
-}, async () => {
-  const assetBundle = new AssetBundle(assets);
-
-  const testFolder = dirname(fileURLToPath(new URL(import.meta.url)));
-  const testSpaceFolder = join(testFolder, "test_space");
-
-  const plugFolder = join(testSpaceFolder, "_plug");
-  await Deno.mkdir(plugFolder, { recursive: true });
-  await Deno.writeFile(
-    `${testSpaceFolder}/SETTINGS.md`,
-    new TextEncoder().encode("```space-config\nindexPage: index\n```"),
-  );
-
-  await compileManifest(
-    join(testFolder, "test_plug_run.plug.yaml"),
-    plugFolder,
-    {
-      configPath: fileURLToPath(new URL("../../deno.json", import.meta.url)),
-    },
-  );
-  assertEquals(
-    await runPlug(
-      testSpaceFolder,
-      "test.run",
-      [],
-      assetBundle,
-      new MemoryKvPrimitives(),
-    ),
-    "Hello",
-  );
-
-  // await Deno.remove(tempDir, { recursive: true });
-  esbuild.stop();
-});
diff --git a/cmd/test/runtime.test.ts b/cmd/test/runtime.test.ts
index aee9f02d..4896b5a2 100644
--- a/cmd/test/runtime.test.ts
+++ b/cmd/test/runtime.test.ts
@@ -47,7 +47,7 @@ Deno.test("Run a deno sandbox", {
 
   assertEquals({
     addedNumbers: 3,
-    yamlMessage: "hello: world\n",
+    jsonMessage: JSON.stringify({ hello: "world" }),
   }, await plug.invoke("boot", []));
 
   await system.unloadAll();
diff --git a/cmd/test/test_func.test.ts b/cmd/test/test_func.test.ts
index 47094da9..64fb77ca 100644
--- a/cmd/test/test_func.test.ts
+++ b/cmd/test/test_func.test.ts
@@ -1,10 +1,10 @@
-import * as YAML from "js-yaml";
+// import * as YAML from "js-yaml";
 
 export async function hello() {
   // @ts-ignore: syscall is a global function
   const numbers = await syscall("addNumbers", 1, 2);
   return {
-    yamlMessage: YAML.dump({ hello: "world" }),
+    jsonMessage: JSON.stringify({ hello: "world" }),
     addedNumbers: numbers,
   };
 }
diff --git a/deno.json b/deno.json
index 72254ff1..e22da700 100644
--- a/deno.json
+++ b/deno.json
@@ -143,7 +143,7 @@
     "denosass": "https://deno.land/x/denosass@1.0.6/mod.ts",
     "djwt": "https://deno.land/x/djwt@v3.0.2/mod.ts",
     "esbuild": "https://deno.land/x/esbuild@v0.20.2/mod.js",
-    "fake-indexeddb/": "https://esm.sh/fake-indexeddb@4.0.2/",
+    "fake-indexeddb/auto": "npm:fake-indexeddb@6.0.0/auto",
     "fast-diff": "https://esm.sh/fast-diff@1.3.0",
     "fuse": "https://deno.land/x/fuse@v6.4.1/dist/fuse.esm.min.js",
     "gitignore-parser": "https://esm.sh/gitignore-parser@0.0.2",