tests: Rename virtTestUseTerminalColors to virTestUseTerminalColors.
tests: Rename virtTestUseTerminalColors to virTestUseTerminalColors.

This function doesn't follow our convention of naming functions.

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