tests: Self test virt-admin

Just like we are running 'virsh self-test' from within our test
suite, we should run 'virt-admin self-test' too.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>

tools/virt-admin.c

@@ -1242,6 +1242,7 @@ static const vshCmdDef vshAdmCmds[] = {
     VSH_CMD_HELP,
     VSH_CMD_PWD,
     VSH_CMD_QUIT,
+    VSH_CMD_SELF_TEST,
     {.name = "uri",
      .handler = cmdURI,
      .opts = NULL,