security: ValidatorConfig FacesFixture bugfix

Change-Id: I012250ca541f2f51a476ba4fc11b3b3a0a527798
Refs: #3845
diff --git a/tests/unit-tests/security/validator-config.t.cpp b/tests/unit-tests/security/validator-config.t.cpp
index 1a5b0b6..e3f2f99 100644
--- a/tests/unit-tests/security/validator-config.t.cpp
+++ b/tests/unit-tests/security/validator-config.t.cpp
@@ -1087,7 +1087,7 @@
     checkFace(face1.sentInterests, readInterestOffset1, face2, hasPassed);
     checkFace(face1.sentData, readDataOffset1, face2, hasPassed);
     checkFace(face2.sentInterests, readInterestOffset2, face1, hasPassed);
-    checkFace(face2.sentInterests, readDataOffset2, face1, hasPassed);
+    checkFace(face2.sentData, readDataOffset2, face1, hasPassed);
 
     return hasPassed;
   }