Keep the first-machine gate behind a switch for walks begun before hq ADR 0360, and test both paths

cmd/mesh-controller/gate_followup_test.go

@@ -57,6 +57,7 @@ func healthyContainer(module string) inventory.ResourceHealth {
 // tools' witness put its build back at once, and the send waits for the healthy module's own verdict — a pass,
 // counted over the gate's spacing — before it says its own. The broken one alone is put back.
 func TestAFaultBeforeTheSettleTimeWaitsForTheModuleBesideIt(t *testing.T) {
+	withTheGate(t) // the first-machine gate\'s own path (novox/hq ADR 0360 keeps it for earlier walks)
 	judgeLeavesAsTheCore(t)
 	open := aMesh(t)
 	ctx := t.Context()
@@ -99,6 +100,7 @@ const broker_runtime = "node-tools"
 // **A pass is counted only the gate's spacing after the one before** (review (c)): a send judged every tick
 // while a module beside it is not yet healthy counts the healthy one once.
 func TestAPassIsCountedNoFasterThanTheGatesSpacing(t *testing.T) {
+	withTheGate(t) // the first-machine gate\'s own path (novox/hq ADR 0360 keeps it for earlier walks)
 	open := aMesh(t)
 	ctx := t.Context()
 	withGateBounds(t, time.Hour, time.Hour, time.Hour)
@@ -123,6 +125,7 @@ func TestAPassIsCountedNoFasterThanTheGatesSpacing(t *testing.T) {
 
 // **A carried build's pass carries its own wait, never another's** (review (e)).
 func TestACarriedPassCarriesOnlyItsOwnWait(t *testing.T) {
+	withTheGate(t) // the first-machine gate\'s own path (novox/hq ADR 0360 keeps it for earlier walks)
 	b := aBacklog(t)
 	ctx := t.Context()
 	inv := b.open.inventory
@@ -147,6 +150,7 @@ func TestACarriedPassCarriesOnlyItsOwnWait(t *testing.T) {
 // carried its own module, healthy, and a build waiting on that machine that never became healthy. At the
 // bound the waiting one is put back and marked; the plan's own module keeps its pass, so no walk waits on it.
 func TestThePlansOwnModuleKeepsItsPassWhenItsSendFails(t *testing.T) {
+	withTheGate(t) // the first-machine gate\'s own path (novox/hq ADR 0360 keeps it for earlier walks)
 	g := aGateMesh(t)
 	ctx := t.Context()
 	inv := g.open.inventory
@@ -227,6 +231,7 @@ func TestThePlansOwnModuleKeepsItsPassWhenItsSendFails(t *testing.T) {
 // **A provider waiting for a login says who waits on it** (review (g)): its consumer, failing a check that
 // needs it, is held under it, and the provider's relogin-needed condition lists it and is urgent.
 func TestAProviderWaitingForALoginSaysWhoWaitsOnIt(t *testing.T) {
+	withTheGate(t) // the first-machine gate\'s own path (novox/hq ADR 0360 keeps it for earlier walks)
 	open := aMesh(t)
 	ctx := t.Context()
 	inv := open.inventory
@@ -289,6 +294,7 @@ func TestAProviderWaitingForALoginSaysWhoWaitsOnIt(t *testing.T) {
 // tools are marked and put back in the very judging that found them broken — their registered build is the
 // one before, and the laptop is sent it — while `app` goes on being judged, recovers, and keeps its own pass.
 func TestABrokenModuleIsPutBackAtOnceAndTheOneBesideItGetsItsOwnVerdict(t *testing.T) {
+	withTheGate(t) // the first-machine gate\'s own path (novox/hq ADR 0360 keeps it for earlier walks)
 	judgeLeavesAsTheCore(t)
 	open := aMesh(t)
 	ctx := t.Context()
@@ -431,6 +437,7 @@ func TestABrokenModuleIsPutBackAtOnceAndTheOneBesideItGetsItsOwnVerdict(t *testi
 // **A move from a build not known excuses no wait** (issue 318 review): a plan's own module whose previous
 // build was not recorded, or whose previous manifest is not kept, cannot be shown to have added the group.
 func TestAMoveFromAnUnknownBuildExcusesNoWait(t *testing.T) {
+	withTheGate(t) // the first-machine gate\'s own path (novox/hq ADR 0360 keeps it for earlier walks)
 	open := aMesh(t)
 	ctx := t.Context()
 	inv := open.inventory