qemu.tests: Correct autotest_control import link.

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests: Correct file_transfer import link.

We have move file_transfer to generic/tests/

Signed-off-by: Feng Yang <fyang@redhat.com>
qemu.tests.suspend_under_stress: Correct guest_suspend import link

Now we put guest_suspend under generic/tests/

Signed-off-by: Feng Yang <fyang@redhat.com>