Review of L2: the export's test reads each printed placement back as the file the seed writes, at its version (S1); pin mesh-sdk 3968849, CAPTURED taken again (issue 1126)

cmd/mesh-controller/placement_export_integration_test.go

@@ -43,6 +43,12 @@ func TestThePlacementExportIsEachNodesPlacementFromTheStore(t *testing.T) {
 		if a := got.Assigned(); len(a) == 0 || !strings.Contains(strings.Join(a, ","), overlay.Name) {
 			t.Errorf("%s's modules are %v, want the private network among them", name, a)
 		}
+		// What it prints is the file the seed writes: at the placement file's version, read back by its reader.
+		if raw, _ := json.Marshal(got); got.V != sdkdelivery.Version {
+			t.Errorf("%s is exported at version %d: %s", name, got.V, raw)
+		} else if _, err := sdkdelivery.DecodePlacement(raw); err != nil {
+			t.Errorf("%s's export does not read as a placement file: %v", name, err)
+		}
 		want, err := frombus.Export(in, name)
 		if err != nil {
 			t.Fatal(err)