The test case checks that in case of IpcMode: private and ReadonlyRootfs: true (as in "docker run --ipc private --read-only") the resulting /dev/shm mount is NOT made read-only. Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com> (cherry picked from commit 33dd562e3acff71ee18a2543d14fcbecf9bf0e62) Signed-off-by: Sebastiaan van Stijn <github@gone.nl>