.

go/internal/xtracing/tracetest/example_test.go

@@ -185,10 +185,7 @@ func TestRace(t *testing.T) {
 }
 
 
-// XXX race bug with sleep caught only by delay injection
-
-
-// other tests
+// other tests (mainly to verify tracetest itself)
 
 // TestExpectType demonstrates Expect asserting with "unexpected event type".
 func TestExpectType(t *testing.T) {