test(std/node): make tests runnable from any directory (#7397)

This makes std/node tests runnable from any directory by resolving the
testdata directory and files relative to the module directory resolved
from import.meta.url.

1 files changed, 2 insertions, 3 deletions

diff --git a/std/node/_fs/promises/_fs_readFile_test.ts b/std/node/_fs/promises/_fs_readFile_test.ts
index a5f5a1327..5414a3a09 100644
--- a/std/node/_fs/promises/_fs_readFile_test.ts
+++ b/std/node/_fs/promises/_fs_readFile_test.ts
@@ -2,9 +2,8 @@ import { readFile } from "./_fs_readFile.ts";
 import * as path from "../../../path/mod.ts";
 import { assertEquals, assert } from "../../../testing/asserts.ts";
 
-const testData = path.resolve(
-  path.join("node", "_fs", "testdata", "hello.txt"),
-);
+const moduleDir = path.dirname(path.fromFileUrl(import.meta.url));
+const testData = path.resolve(moduleDir, "..", "testdata", "hello.txt");
 
 Deno.test("readFileSuccess", async function () {
   const data: Uint8Array = await readFile(testData);