tests: domainsnapshotxml2xml: Remove testing with allowed format detection

We have a test of the domain XML that allows format detection, so
there's no need to do it for snapshot XMLs where the parameter would
influence the domain XML portion.
Signed-off-by: NPeter Krempa <pkrempa@redhat.com>

tests/domainsnapshotxml2xmlout/disk_snapshot_redefine.xml

@@ -41,31 +41,37 @@
     <devices>
       <emulator>/usr/bin/qemu-system-i686</emulator>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest1'/>
         <target dev='hda' bus='ide'/>
         <address type='drive' controller='0' bus='0' target='0' unit='0'/>
       </disk>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest2'/>
         <target dev='hdb' bus='ide'/>
         <address type='drive' controller='0' bus='1' target='0' unit='0'/>
       </disk>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest3'/>
         <target dev='hdc' bus='ide'/>
         <address type='drive' controller='0' bus='2' target='0' unit='0'/>
       </disk>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest4'/>
         <target dev='hdd' bus='ide'/>
         <address type='drive' controller='0' bus='3' target='0' unit='0'/>
       </disk>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest5'/>
         <target dev='hde' bus='ide'/>
         <address type='drive' controller='0' bus='4' target='0' unit='0'/>
       </disk>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest6'/>
         <target dev='hdf' bus='ide'/>
         <address type='drive' controller='0' bus='5' target='0' unit='0'/>

tests/domainsnapshotxml2xmlout/external_vm_redefine.xml

@@ -31,6 +31,7 @@
     <devices>
       <emulator>/usr/bin/qemu-system-i686</emulator>
       <disk type='block' device='disk' snapshot='no'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest1'/>
         <target dev='hda' bus='ide'/>
         <address type='drive' controller='0' bus='0' target='0' unit='0'/>

tests/domainsnapshotxml2xmlout/full_domain.xml

@@ -24,6 +24,7 @@
     <devices>
       <emulator>/usr/bin/qemu-system-i686</emulator>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest1'/>
         <target dev='hda' bus='ide'/>
         <address type='drive' controller='0' bus='0' target='0' unit='0'/>

tests/domainsnapshotxml2xmlout/metadata.xml

@@ -28,6 +28,7 @@
     <devices>
       <emulator>/usr/bin/qemu-system-i686</emulator>
       <disk type='block' device='disk'>
+        <driver name='qemu' type='raw'/>
         <source dev='/dev/HostVG/QEMUGuest1'/>
         <target dev='hda' bus='ide'/>
         <address type='drive' controller='0' bus='0' target='0' unit='0'/>

tests/domainsnapshotxml2xmltest.c

@@ -156,9 +156,6 @@ mymain(void)
     if (qemuTestDriverInit(&driver) < 0)
         return EXIT_FAILURE;
 
-    /* TODO: test with format probing disabled too */
-    driver.config->allowDiskFormatProbing = true;
-
     if (VIR_ALLOC(testSnapshotXMLVariableLineRegex) < 0)
         goto cleanup;