Merge pull request #568 from iamqizhao/master

Add more uninteresting goroutines for the leak checker
diff --git a/test/end2end_test.go b/test/end2end_test.go
index 36629b2..5110c55 100644
--- a/test/end2end_test.go
+++ b/test/end2end_test.go
@@ -1633,7 +1633,9 @@
 			strings.Contains(stack, "runtime.goexit") ||
 			strings.Contains(stack, "created by runtime.gc") ||
 			strings.Contains(stack, "interestingGoroutines") ||
-			strings.Contains(stack, "runtime.MHeap_Scavenger") {
+			strings.Contains(stack, "runtime.MHeap_Scavenger") ||
+			strings.Contains(stack, "signal.signal_recv") ||
+			strings.Contains(stack, "sigterm.handler") {
 			continue
 		}
 		gs = append(gs, g)