qemuxml2argvtest: Add 'DO_TEST_NOCAPS' to replace 'DO_TEST("blah", NONE);'
qemuxml2argvtest: Add 'DO_TEST_NOCAPS' to replace 'DO_TEST("blah", NONE);'

Add a explicit version of our test invocation macro for tests which use
no capabilities.

This reduces the usage of the somewhat anonymous 'NONE' macro and will
lead to simplification of the code later.

Signed-off-by: Peter Krempa <2cf5c04c61aa466e4a47bfedc747d17279c72ffc@redhat.com>
Reviewed-by: Ján Tomko <4cab11cfb98d3c937327354a78eb07dbb6ee2bc6@redhat.com>

olafhering/libvirt,nertpinx/libvirt,crobinso/libvirt,jfehlig/libvirt,crobinso/libvirt,nertpinx/libvirt,libvirt/libvirt,jfehlig/libvirt,nertpinx/libvirt,libvirt/libvirt,nertpinx/libvirt,crobinso/libvirt,olafhering/libvirt,olafhering/libvirt,olafhering/libvirt,zippy2/libvirt,zippy2/libvirt,libvirt/libvirt,jfehlig/libvirt,nertpinx/libvirt,jfehlig/libvirt,crobinso/libvirt,zippy2/libvirt,zippy2/libvirt,libvirt/libvirt