[dts][PATCH V2] tests/dpdk_hugetlbfs_mount_size: fix verify failed can't umount huge page

[Tu, Lijuan]

> > > Subject: [dts][PATCH V2] tests/dpdk_hugetlbfs_mount_size: fix verify
> > > failed can't umount huge page
> > >
> > > 1.Add kill testpmd step in set_up.
> >
> > Could you explain why it is reasonable to kill  testpmd in set_up. It
> > has done this in tear_down, it is enough to handle the exception that testpmd
> not quit.
> >
> > > 2.Add kill testpmd before umount hege page in tear_down.
> > >
> > > Signed-off-by: Wei Ling <weix.ling at intel.com>
> >
> When other suite executed done, but have not quit testpmd, kill testpmd in
> set_up will go into effect.

It's better to figure out which have this issue and fix it.