internal/socket: skip known flaky TestRace

This test keeps flaking on almost every TryBot run. Skip it for now.

For golang/go#37338

Change-Id: I77cdd782f3bc164ec11894683aa50c3441807ba5
Reviewed-on: https://go-review.googlesource.com/c/net/+/303910
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
Reviewed-by: Emmanuel Odeke <emmanuel@orijtech.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
diff --git a/internal/socket/socket_test.go b/internal/socket/socket_test.go
index e223999..4472a67 100644
--- a/internal/socket/socket_test.go
+++ b/internal/socket/socket_test.go
@@ -304,6 +304,8 @@
 }
 
 func TestRace(t *testing.T) {
+	t.Skip("skipping known flaky test; see https://golang.org/issue/37338")
+
 	tests := []string{
 		`
 package main