Index: tests/concurrent/futures/.expect/basic.txt
===================================================================
--- tests/concurrent/futures/.expect/basic.txt	(revision a77496cbc62f805fc69d3c3f9abd928bfccc0e4b)
+++ tests/concurrent/futures/.expect/basic.txt	(revision e6cfb4e2ba24af6428609120bfe63040fc3de631)
@@ -0,0 +1,1 @@
+done
Index: tests/concurrent/futures/basic.cfa
===================================================================
--- tests/concurrent/futures/basic.cfa	(revision a77496cbc62f805fc69d3c3f9abd928bfccc0e4b)
+++ tests/concurrent/futures/basic.cfa	(revision e6cfb4e2ba24af6428609120bfe63040fc3de631)
@@ -91,3 +91,5 @@
 		}
 	}
+	printf( "done\n" );				// non-empty .expect file
+
 }