testutil: increase size of buffer for stack dump
Too many goroutines to fit all stack traces in 8kb.
@@ -50,7 +50,7 @@ func MustNewURL(t *testing.T, s string) *url.URL {
// FatalStack helps to fatal the test and print out the stacks of all running goroutines.
func FatalStack(t *testing.T, s string) {
- stackTrace := make([]byte, 8*1024)
+ stackTrace := make([]byte, 1024*1024)
n := runtime.Stack(stackTrace, true)
t.Error(string(stackTrace[:n]))
t.Fatalf(s)
