git: openjdk/jdk-sandbox: simpleserver: some more test cleanup

[Julia Boes]

Changeset: bf8c0eb5
Author:    Julia Boes <julia.boes at oracle.com>
Date:      2021-08-05 14:33:32 +0000
URL:       https://git.openjdk.java.net/jdk-sandbox/commit/bf8c0eb5a481b1ed6c7ce8df992098f3229e5b52

some more test cleanup

! src/jdk.httpserver/share/classes/sun/net/httpserver/simpleserver/SimpleFileServerImpl.java
! test/jdk/com/sun/net/httpserver/simpleserver/CommandLineNegativeTest.java
! test/jdk/com/sun/net/httpserver/simpleserver/IdempotencyAndCommutativityTest.java
! test/jdk/com/sun/net/httpserver/simpleserver/ServerMimeTypesResolutionTest.java
! test/jdk/com/sun/net/httpserver/simpleserver/SimpleFileServerTest.java