TBR veyron/services/identity: fixing the integration test

Change-Id: I09c7f75d9c895ab81a74e07bd9da155cebf3da89
diff --git a/services/identity/identityd/identityd_v23_test.go b/services/identity/identityd/identityd_v23_test.go
index 127b20c..aeedd6b 100644
--- a/services/identity/identityd/identityd_v23_test.go
+++ b/services/identity/identityd/identityd_v23_test.go
@@ -49,7 +49,7 @@
 			if err != nil {
 				i.Fatalf("ReadAll() failed: %v", err)
 			}
-			if want := "Received blessings"; strings.Contains(string(output), want) {
+			if want := "Received blessings"; !strings.Contains(string(output), want) {
 				i.Fatalf("failed to seek blessings: %v", string(output))
 			}
 			return