diff --git a/modules/mesh-self-check/cmd/mesh-self-check/whole_integration_test.go b/modules/mesh-self-check/cmd/mesh-self-check/whole_integration_test.go
index 54ae1679..a8d74293 100644
--- a/modules/mesh-self-check/cmd/mesh-self-check/whole_integration_test.go
+++ b/modules/mesh-self-check/cmd/mesh-self-check/whole_integration_test.go
@@ -140,6 +140,17 @@ func (p *player) handle(m wire) {
 			keys, err = []string{}, nil
 		}
 		p.answer(m.ID, keys, err)
+	case "mesh/provision.get":
+		// The setting `probes`: this run judges the bus probes it asserts below (D13's facts are not on this bus).
+		var g struct {
+			Kind, Key string
+		}
+		_ = json.Unmarshal(m.Params, &g)
+		if g.Kind == "config" && g.Key == "probes" {
+			p.answer(m.ID, []string{"D2", "D7", "DW", "D15"}, nil)
+			return
+		}
+		p.answer(m.ID, nil, fmt.Errorf("no %s value %s here", g.Kind, g.Key))
 	case "mesh/state.delete":
 		kv, err := p.kv(a.State)
 		if err == nil {