[PATCH v2 0/3] Several improvements on selftest

v1 -> v2:

1. selftest: kill VM reliably - use $_jobs instead of `echo $_jobs` to iterate jobs - fix format issue 2. selftest: Make test_base_image depends on EXTRA_RPMS (new)

Coiby Xu (3): selftest: fix the error of misplacing double quotes selftest: kill VM reliably selftest: Make test_base_image depends on EXTRA_RPMS

tests/Makefile | 2 +- tests/scripts/run-test.sh | 14 ++++++++++---- tests/scripts/test-lib.sh | 3 +-- tests/scripts/testcases/nfs-kdump/0-server.sh | 2 +- 4 files changed, 13 insertions(+), 8 deletions(-)