Update test case TestGroupConventions to fix sig-etcd as a special case

Signed-off-by: Benjamin Wang <[email protected]>

groups/groups_test.go

@@ -168,6 +168,11 @@ func TestGroupConventions(t *testing.T) {
 	for _, g := range cfg.Groups {
 		// groups are easier to reason about if email and name match
 		expectedEmailId := g.Name + "@kubernetes.io"
+		// sig-etcd keeps using [email protected], refer to discussion in
+		// https://github.com/kubernetes/k8s.io/pull/6542.
+		if g.Name == "etcd-security" {
+			expectedEmailId = "[email protected]"
+		}
 		if g.EmailId != expectedEmailId {
 			t.Errorf("group '%s': expected email '%s', got '%s'", g.Name, expectedEmailId, g.EmailId)
 		}