Add newlines at end of test group files

Some files in the group directory are not
perfectly in sync with internal CI because
of missing new lines. This patch fixes that.

Signed-off-by: Zelalem <zelalem.aweke@arm.com>
Change-Id: I3e4c9020225d43c33a1c9ddd2b6e6e50cad19560
13 files changed