tests: qemuxml2argv: Add 'CAPS_LATEST' version for 'disk-detect-zeroes'

This test also excercises options of 'discard'.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>
Reviewed-by: NJán Tomko <jtomko@redhat.com>

tests/qemuxml2argvdata/disk-detect-zeroes.x86_64-latest.args

+LC_ALL=C \
+PATH=/bin \
+HOME=/home/test \
+USER=test \
+LOGNAME=test \
+QEMU_AUDIO_DRV=none \
+/usr/bin/qemu-system-x86_64 \
+-name guest=test,debug-threads=on \
+-S \
+-object secret,id=masterKey0,format=raw,\
+file=/tmp/lib/domain--1-test/master-key.aes \
+-machine pc-0.13,accel=tcg,usb=off,dump-guest-core=off \
+-m 1024 \
+-realtime mlock=off \
+-smp 1,sockets=1,cores=1,threads=1 \
+-uuid 92d7a226-cfae-425b-a6d3-00bbf9ec5c9e \
+-display none \
+-no-user-config \
+-nodefaults \
+-chardev socket,id=charmonitor,fd=1729,server,nowait \
+-mon chardev=charmonitor,id=monitor,mode=control \
+-rtc base=utc \
+-no-shutdown \
+-no-acpi \
+-boot menu=on,strict=on \
+-device piix3-usb-uhci,id=usb,bus=pci.0,addr=0x1.0x2 \
+-drive file=/var/lib/libvirt/images/f14.img,format=qcow2,if=none,\
+id=drive-virtio-disk0,discard=unmap,detect-zeroes=unmap \
+-device virtio-blk-pci,scsi=off,bus=pci.0,addr=0x4,drive=drive-virtio-disk0,\
+id=virtio-disk0,bootindex=2 \
+-drive file=/var/lib/libvirt/Fedora-14-x86_64-Live-KDE.iso,format=raw,if=none,\
+id=drive-ide0-1-0,readonly=on,discard=ignore,detect-zeroes=on \
+-device ide-cd,bus=ide.1,unit=0,drive=drive-ide0-1-0,id=ide0-1-0,bootindex=1 \
+-device virtio-balloon-pci,id=balloon0,bus=pci.0,addr=0x3 \
+-sandbox on,obsolete=deny,elevateprivileges=deny,spawn=deny,\
+resourcecontrol=deny \
+-msg timestamp=on

tests/qemuxml2argvtest.c

@@ -1130,6 +1130,7 @@ mymain(void)
     DO_TEST("disk-detect-zeroes",
             QEMU_CAPS_DRIVE_DISCARD,
             QEMU_CAPS_DRIVE_DETECT_ZEROES);
+    DO_TEST_CAPS_LATEST("disk-detect-zeroes");
     DO_TEST("disk-snapshot", NONE);
     DO_TEST_PARSE_ERROR("disk-same-targets",
                         QEMU_CAPS_SCSI_LSI,