net: skip TestDialCancel on darwin-arm64

We're turning up Macs in a network environment that clashes with this
test. I don't think it's critical to get it working, so skip it.

For #49149.

Change-Id: I925e3ecc5356c4cefd208bdcff3d98021215d0b4
Reviewed-on: https://go-review.googlesource.com/c/go/+/402181
Reviewed-by: Alex Rakoczy <alex@golang.org>
Run-TryBot: Heschi Kreinick <heschi@google.com>
Auto-Submit: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gopher Robot <gobot@golang.org>

diff --git a/src/net/dial_test.go b/src/net/dial_test.go
index b9aead03719b7d0ea4be4c121604b424c15f6ade..3cce444e5cfefa6a0330bcefcb76bd92ce4cf20c 100644 (file)
--- a/src/net/dial_test.go
+++ b/src/net/dial_test.go
@@ -758,6 +758,12 @@ func TestDialerKeepAlive(t *testing.T) {
 func TestDialCancel(t *testing.T) {
        mustHaveExternalNetwork(t)
 
+       if strings.HasPrefix(testenv.Builder(), "darwin-arm64") {
+               // The darwin-arm64 machines run in an environment that's not
+               // compatible with this test.
+               t.Skipf("builder %q gives no route to host for 198.18.0.0", testenv.Builder())
+       }
+
        blackholeIPPort := JoinHostPort(slowDst4, "1234")
        if !supportsIPv4() {
                blackholeIPPort = JoinHostPort(slowDst6, "1234")