git: openjdk/jdk-sandbox: simpleserver: small test fix

[Julia Boes]

Changeset: 998e99a9
Author:    Julia Boes <julia.boes at oracle.com>
Date:      2021-08-10 16:09:11 +0000
URL:       https://git.openjdk.java.net/jdk-sandbox/commit/998e99a95685f24d31980a603ea5a1bb0511dd04

small test fix

! test/jdk/com/sun/net/httpserver/simpleserver/SimpleFileServerTest.java