Judge S21 by time since the first failing report while the machine is heard, not by how many reports said it (issue 233 review)

cmd/mesh-controller/signals_test.go

@@ -186,12 +186,12 @@ var suppressions = map[string]suppression{
 		},
 		past: func(f *signalFacts) { f.refusedSends = []inventory.Send{refusedSend(f.now.Add(-time.Second))} },
 	},
-	// A machine whose package manager does not answer (novox/hq issue 233): said once the same failure has
-	// outlasted one apply interval over two reports. Inside: a second report, only five minutes after the first.
+	// A machine whose package manager does not answer (novox/hq issue 233): said once its first report of the
+	// failure is older than one apply interval while it is heard. Inside: exactly five minutes old.
 	"S21": {
-		inside: func(f *signalFacts) { f.doing = []inventory.Doing{unansweringPackageManager(f.now, 5*time.Minute, 2)} },
+		inside: func(f *signalFacts) { f.doing = []inventory.Doing{unansweringPackageManager(f.now, 5*time.Minute, 1)} },
 		past: func(f *signalFacts) {
-			f.doing = []inventory.Doing{unansweringPackageManager(f.now, 5*time.Minute+time.Second, 2)}
+			f.doing = []inventory.Doing{unansweringPackageManager(f.now, 5*time.Minute+time.Second, 1)}
 		},
 	},
 	// Twice by hand within a fortnight is a healer wanted; once, or the first of two a day too old, is not.