test: add EOVERFLOW as an allowed error

in test-fs-read-promises-position-validation.mjs

As stated in nodejs#50054

This looks like an oversight as
test-fs-read-position-validation.mjs includes
EOVERFLOW as an allowed error.

Fixes nodejs#50054

PR-URL: nodejs#50128
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Richard Lau <rlau@redhat.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>

test/parallel/test-fs-read-promises-position-validation.mjs

@@ -62,9 +62,9 @@ async function testInvalid(code, position) {
   await testValid(1n);
   await testValid(9);
   await testValid(9n);
-  await testValid(Number.MAX_SAFE_INTEGER, [ 'EFBIG' ]);
+  await testValid(Number.MAX_SAFE_INTEGER, [ 'EFBIG', 'EOVERFLOW']);
 
-  await testValid(2n ** 63n - 1n - BigInt(length), [ 'EFBIG' ]);
+  await testValid(2n ** 63n - 1n - BigInt(length), [ 'EFBIG', 'EOVERFLOW']);
   await testInvalid('ERR_OUT_OF_RANGE', 2n ** 63n);
   await testInvalid('ERR_OUT_OF_RANGE', 2n ** 63n - BigInt(length));