Disable flaky test: discard_role_newer_rotation_date (#9957)

* Temporarily disable discard_role_newer_rotation_date

builtin/logical/database/rotation_test.go

@@ -506,6 +506,8 @@ func TestBackend_Static_QueueWAL_discard_role_not_found(t *testing.T) {
 // Second scenario, WAL contains a role name that does exist, but the role's
 // LastVaultRotation is greater than the WAL has
 func TestBackend_Static_QueueWAL_discard_role_newer_rotation_date(t *testing.T) {
+	t.Skip("temporarily disabled due to intermittent failures")
+
 	cluster, sys := getCluster(t)
 	defer cluster.Cleanup()
 
@@ -661,6 +663,8 @@ func TestBackend_Static_QueueWAL_discard_role_newer_rotation_date(t *testing.T)
 
 // Helper to assert the number of WAL entries is what we expect
 func assertWALCount(t *testing.T, s logical.Storage, expected int, key string) {
+	t.Helper()
+
 	var count int
 	ctx := context.Background()
 	keys, err := framework.ListWAL(ctx, s)