tests: qemuxml2argv: Fix usb-too-long-port-path-invalid
tests: qemuxml2argv: Fix usb-too-long-port-path-invalid

The test case uses DO_TEST_PARSE_FLAGS_ERROR(), but doesn't
pass any parse flag. Use DO_TEST_PARSE_ERROR() instead.

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