Deno test Leaking resources

error: Leaking resources:
  - A file (rid 3) was opened during the test, but not closed during the test. Close the file handle by calling `file.close()`.

export async function test() {
    try {
        const test = await Deno.readTextFile("./test.txt");
        return true
    }
    catch (err) {
        log(err);
        return false;
    }
}