diff --git a/org.springframework.test/src/main/java/org/springframework/test/context/support/DelegatingSmartContextLoader.java b/org.springframework.test/src/main/java/org/springframework/test/context/support/DelegatingSmartContextLoader.java
index c446eb9fdb..523c89fdb8 100644
--- a/org.springframework.test/src/main/java/org/springframework/test/context/support/DelegatingSmartContextLoader.java
+++ b/org.springframework.test/src/main/java/org/springframework/test/context/support/DelegatingSmartContextLoader.java
@@ -108,6 +108,9 @@ public class DelegatingSmartContextLoader implements SmartContextLoader {
 				throw new IllegalStateException(String.format("None of the SmartContextLoader candidates %s "
 						+ "was able to detect defaults for context configuration [%s].", candidates, configAttributes));
 			}
+
+			// TODO Throw exception if defaults were generated for both
+			// locations and configuration classes.
 		}
 	}