diff --git a/src/test/test_ConnectedComponents.c b/src/test/test_ConnectedComponents.c
index 7e36036ac0..33cba2b34f 100644
--- a/src/test/test_ConnectedComponents.c
+++ b/src/test/test_ConnectedComponents.c
@@ -180,6 +180,7 @@ void test_cc_matrices (void)
 void test_cc_errors (void)
 {
     OK (LAGraph_Init (msg)) ;
+//  GrB_set (GrB_GLOBAL, true, (GrB_Field) GxB_BURBLE) ;
     printf ("\n") ;
 
     // check for null pointers