tests/docker: Add new SELinux tests
tests/docker: Add new SELinux tests

Ensure that when SELinux is enforcing the docker daemon cannot create
container instances with  mounts to restricted directories.

Signed-off-by: Geoff Levand <c3918f39022407dee6a0056ceca9b1aa80e8e4ce@infradead.org>

glevand/coreos--mantle,glevand/coreos--mantle