### RED-PROOF R-866a: selftestOSBlock returns at once on a fetch error (v0.143.0 behaviour)
    r866_selftest_block_test.go:37: the pass did not run from the saved block: ok=false block=<nil> src="desired state: hub: transport error: connect: invalid argument"
--- FAIL: TestR866_DebugPassUsesTheSavedBlockWhenTheHubIsAway (0.00s)
    r866_selftest_block_test.go:53: ok=false why="desired state: down"
--- FAIL: TestR866_NoHubNoSavedBlockDoesNotRun (0.00s)
FAIL
FAIL	gitea.dooplex.hu/admin/felhom-agent/cmd/felhom-agent	0.011s
FAIL
rc=1
### RED-PROOF R-866b: the daemon no longer saves the block
    r866_selftest_block_test.go:37: the pass did not run from the saved block: ok=false block=<nil> src="desired state: hub: transport error: connect: invalid argument — and no saved block (the daemon saves one when the hub sends it)"
--- FAIL: TestR866_DebugPassUsesTheSavedBlockWhenTheHubIsAway (0.00s)
--- PASS: TestR866_NoHubNoSavedBlockDoesNotRun (0.00s)
FAIL
FAIL	gitea.dooplex.hu/admin/felhom-agent/cmd/felhom-agent	0.009s
FAIL
rc=1
### restored
ok  	gitea.dooplex.hu/admin/felhom-agent/cmd/felhom-agent	0.009s
