diff --git a/go/catalogue/checker_seat_test.go b/go/catalogue/checker_seat_test.go
deleted file mode 100644
index 784bf71..0000000
--- a/go/catalogue/checker_seat_test.go
+++ /dev/null
@@ -1,29 +0,0 @@
-package catalogue
-
-import (
-	"slices"
-	"testing"
-)
-
-// The try is a verb of the checker's seat and carries the shell command it replaces (ADR 0547 §10, ADR 0245).
-func TestTheCheckerSeatServesTheTry(t *testing.T) {
-	var seat *Seat
-	for _, s := range defaultSeats {
-		if s.Name == CheckerSeat {
-			seat = &s
-		}
-	}
-	if seat == nil || seat.Scope != ScopeMesh {
-		t.Fatalf("seat = %+v", seat)
-	}
-	var names []string
-	for _, v := range seat.Serves {
-		names = append(names, v.Name)
-		if v.Name == "try" && !slices.Equal(v.Replaces, []string{"sh merge-check.sh"}) {
-			t.Errorf("try replaces %v", v.Replaces)
-		}
-	}
-	if !slices.Equal(names, []string{"try", "try-read", "try-end"}) {
-		t.Errorf("verbs = %v", names)
-	}
-}
diff --git a/go/catalogue/seats_test.go b/go/catalogue/seats_test.go
index 3144c31..f5be576 100644
--- a/go/catalogue/seats_test.go
+++ b/go/catalogue/seats_test.go
@@ -49,6 +49,21 @@ func TestTheSeatsAreAClosedSetAndEachNamesItsDecision(t *testing.T) {
 		[]string{"placement", "proposals", "propose", "withdraw", "again", "adopt", "hand-back"}) {
 		t.Errorf("the placement seat is %v, %v", ok, s)
 	}
+	// The checker's seat serves the try, which replaces the shell's merge check (ADR 0547 §10, ADR 0245).
+	var checkerVerbs []string
+	for _, s := range Seats() {
+		if s.Name == CheckerSeat {
+			for _, v := range s.Serves {
+				checkerVerbs = append(checkerVerbs, v.Name)
+				if v.Name == "try" && strings.Join(v.Replaces, "|") != "sh merge-check.sh" {
+					t.Errorf("try replaces %v", v.Replaces)
+				}
+			}
+		}
+	}
+	if strings.Join(checkerVerbs, ",") != "try,try-read,try-end" {
+		t.Errorf("the checker seat serves %v", checkerVerbs)
+	}
 	// Forty-six with the three build seats replacing node-build-agent and the retired mesh-build-machine (novox/hq
 	// ADR 0525 §2, §10); forty-five with node-files (novox/hq ADR 0394); forty-four again once node-reads goes.
 	// Forty-four with node-provisioner (novox/hq ADR 0349 clause 3); forty-three with mesh-provisioner (novox/hq ADR 0349 clause 3); forty-two with mesh-config (novox/hq ADR 0348 §9); forty-one with node-reads (novox/hq ADR 0310); forty with node-nfs-server and node-mounts (novox/hq ADR 0263); thirty-eight with node-resolver (novox/hq ADR 0247); thirty-seven with mesh-delivery (novox/hq ADR 0239); thirty-six since node-resolver-config retired