virjsontest: Use a more stable floating point number for testing
virjsontest: Use a more stable floating point number for testing

We store all JSON numbers as strings. To allow using json libraries
that store them in numeric types, use a more predictable and normalized
value.

Signed-off-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

libvirt/libvirt,olafhering/libvirt,crobinso/libvirt,jfehlig/libvirt,olafhering/libvirt,nertpinx/libvirt,andreabolognani/libvirt,olafhering/libvirt,fabianfreyer/libvirt,zippy2/libvirt,crobinso/libvirt,eskultety/libvirt,andreabolognani/libvirt,jfehlig/libvirt,eskultety/libvirt,jardasgit/libvirt,jardasgit/libvirt,nertpinx/libvirt,eskultety/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,zippy2/libvirt,andreabolognani/libvirt,libvirt/libvirt,crobinso/libvirt,eskultety/libvirt,nertpinx/libvirt,nertpinx/libvirt,crobinso/libvirt,zippy2/libvirt,nertpinx/libvirt,jardasgit/libvirt,jardasgit/libvirt,andreabolognani/libvirt,jardasgit/libvirt,fabianfreyer/libvirt,fabianfreyer/libvirt,libvirt/libvirt,libvirt/libvirt,fabianfreyer/libvirt,eskultety/libvirt,zippy2/libvirt,olafhering/libvirt,jfehlig/libvirt,andreabolognani/libvirt