tests/qtest/virtio-ccw-test: Remove superfluous tests

virtio-balloon-ccw is already tested in the device-plug-test,
virtio-blk-ccw is already tested in cdrom-test, and virtio-net-ccw
is already tested in the pxe-test, so there is not much point
in doing "nop" tests here again.

Message-Id: <20230512124033.502654-15-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

tests/qtest/virtio-ccw-test.c

@@ -17,12 +17,6 @@
 #include "libqtest-single.h"
 #include "libqos/virtio.h"
 
-static void virtio_balloon_nop(void)
-{
-    global_qtest = qtest_initf("-device virtio-balloon-ccw");
-    qtest_end();
-}
-
 static void virtconsole_nop(void)
 {
     global_qtest = qtest_initf("-device virtio-serial-ccw,id=vser0 "
@@ -53,20 +47,6 @@ static void virtio_serial_hotplug(void)
     qtest_quit(qts);
 }
 
-static void virtio_blk_nop(void)
-{
-    global_qtest = qtest_initf("-drive if=none,id=drv0,file=null-co://,"
-                               "file.read-zeroes=on,format=raw "
-                                "-device virtio-blk-ccw,drive=drv0");
-    qtest_end();
-}
-
-static void virtio_net_nop(void)
-{
-    global_qtest = qtest_initf("-device virtio-net-ccw");
-    qtest_end();
-}
-
 static void virtio_rng_nop(void)
 {
     global_qtest = qtest_initf("-device virtio-rng-ccw");
@@ -96,13 +76,10 @@ static void virtio_scsi_hotplug(void)
 int main(int argc, char **argv)
 {
     g_test_init(&argc, &argv, NULL);
-    qtest_add_func("/virtio/balloon/nop", virtio_balloon_nop);
     qtest_add_func("/virtio/console/nop", virtconsole_nop);
     qtest_add_func("/virtio/serialport/nop", virtserialport_nop);
     qtest_add_func("/virtio/serial/nop", virtio_serial_nop);
     qtest_add_func("/virtio/serial/hotplug", virtio_serial_hotplug);
-    qtest_add_func("/virtio/block/nop", virtio_blk_nop);
-    qtest_add_func("/virtio/net/nop", virtio_net_nop);
     qtest_add_func("/virtio/rng/nop", virtio_rng_nop);
     qtest_add_func("/virtio/scsi/nop", virtio_scsi_nop);
     qtest_add_func("/virtio/scsi/hotplug", virtio_scsi_hotplug);