fixup regression tests wrt skip steps (fixed in pfctl.c rev1.305);
ok henning mcbride (a while back)

Update regress tests for the following changes:
- if_addr RB_TREE (Address sort differently on an interface)
- skip steps changes
- RDOMAIN
- reordering of address/port tests
- fastroute is gone
-

Update regress tests for the following changes:
- if_addr RB_TREE (Address sort differently on an interface)
- skip steps changes
- RDOMAIN
- reordering of address/port tests
- fastroute is gone
- keep state is no longer printed by default
- lo0 now has link-local scope address in addition to ::1

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Add a test for route labels, re PR6416. ok phessler@