test: add layout for raid1 test

HuijingHei · HuijingHei · commit a5d9d939d0db · 2026-04-20T19:26:47.000+08:00
See coreos/coreos-assembler#4525
diff --git a/tests/kola/raid1/config.bu b/tests/kola/raid1/config.bu
@@ -1,6 +1,8 @@
 variant: fcos
 version: 1.5.0
 boot_device:
+  # The {{LAYOUT}} will be replaced by https://github.com/coreos/coreos-assembler/pull/4525
+  layout: {{LAYOUT}}
   mirror:
     devices:
       - /dev/vda
