test(packer): add image for opensuse & some cleanup.

tests/packer/main.pkr.hcl

@@ -7,6 +7,8 @@ build {
   sources = [
     "source.qemu.archlinux-gnome",
     "source.qemu.archlinux-kde",
+    "source.qemu.debian-server",
+    "source.qemu.opensuse-kde",
     "source.qemu.ubuntu-server",
   ]
 
@@ -22,7 +24,7 @@ build {
   }
 
   provisioner "file" {
-    only        = ["qemu.ubuntu-server", "qemu.ubuntu-desktop"]
+    only        = ["qemu.debian-server", "qemu.ubuntu-server", "qemu.ubuntu-desktop"]
     destination = "/tmp/src/"
     sources     = ["${path.cwd}/../apparmor.d_${var.version}_all.deb"]
   }