code review 7071050: testing: in example, empty output not distinguished fro...

src/cmd/go/test.go

Index: src/cmd/go/test.go
===================================================================
--- a/src/cmd/go/test.go
+++ b/src/cmd/go/test.go
@@ -792,7 +792,7 @@
 		}
 	}
 	for _, e := range doc.Examples(f) {
-		if e.Output == "" {
+		if e.Output == "" && !e.EmptyOutput {
 			// Don't run examples with no output.
 			continue
 		}