RHEL 8: Fix tests for libguestfs-winsupport.

It doesn't let us use guestfish for arbitrary Windows edits.

test-data/phony-guests/make-windows-img.sh

@@ -37,6 +37,7 @@ fi
 
 # Create a disk image.
 guestfish <<EOF
+set-program virt-testing
 sparse windows.img-t 512M
 run
 

tests/charsets/test-charset-fidelity.c

@@ -93,6 +93,8 @@ main (int argc, char *argv[])
   if (g == NULL)
     error (EXIT_FAILURE, 0, "failed to create handle");
 
+  guestfs_set_program (g, "virt-testing");
+
   if (guestfs_add_drive_scratch (g, 1024*1024*1024, -1) == -1)
     exit (EXIT_FAILURE);
 

v2v/test-v2v-virtio-win-iso.sh

@@ -79,6 +79,12 @@ mktest ()
 :> "$script"
 :> "$expected"
 
+cat >> "$script" <<EOF
+  set-program virt-testing
+  run
+  mount /dev/sda2 /
+EOF
+
 firstboot_dir="/Program Files/Guestfs/Firstboot"
 mktest "is-dir \"$firstboot_dir\"" true
 mktest "is-file \"$firstboot_dir/firstboot.bat\"" true
@@ -91,7 +97,7 @@ for drv in netkvm vioscsi viostor; do
     done
 done
 
-guestfish --ro -a "$d/windows-sda" -i < "$script" > "$response"
+guestfish --ro -a "$d/windows-sda" < "$script" > "$response"
 diff -u "$expected" "$response"
 
 rm -r $d

v2v/test-v2v-windows-conversion.sh

@@ -73,6 +73,12 @@ mktest ()
 :> "$script"
 :> "$expected"
 
+cat >> "$script" <<EOF
+  set-program virt-testing
+  run
+  mount /dev/sda2 /
+EOF
+
 firstboot_dir="/Program Files/Guestfs/Firstboot"
 mktest "is-dir \"$firstboot_dir\"" true
 mktest "is-file \"$firstboot_dir/firstboot.bat\"" true
@@ -85,7 +91,7 @@ for drv in netkvm qxl vioscsi viostor; do
     done
 done
 
-guestfish --ro -a "$d/windows-sda" -i < "$script" > "$response"
+guestfish --ro -a "$d/windows-sda" < "$script" > "$response"
 diff -u "$expected" "$response"
 
 # We also update the Registry several times, for firstboot, and (ONLY