test/integration: Test vmlinuz non-existence with UKI

vmlinuz and intrd should not be present in UKI images; add test for the
same

Signed-off-by: Pragyan Poudyal <pragyanpoudyal41999@gmail.com>

Author: Johan-Liebert1

crates/tests-integration/src/container.rs

@@ -1,8 +1,8 @@
 use indoc::indoc;
 use scopeguard::defer;
 use serde::Deserialize;
-use std::fs;
 use std::process::Command;
+use std::{fs, path::Path};
 
 use anyhow::{Context, Result};
 use camino::Utf8Path;
@@ -51,8 +51,6 @@ pub(crate) fn test_bootc_container_inspect() -> Result<()> {
         .as_bool()
         .expect("kernel.unified should be a boolean");
 
-    println!("kernel: {kernel:#?}");
-
     let is_uki = std::env::var("BOOTC_boot_type").is_ok_and(|var| var == "uki");
 
     if let Some(variant) = std::env::var("BOOTC_variant").ok() {
@@ -74,6 +72,18 @@ pub(crate) fn test_bootc_container_inspect() -> Result<()> {
                 );
                 // Version should be non-empty after stripping extension
                 assert!(!version.is_empty(), "version should not be empty for UKI");
+
+                // For UKI make sure vmlinuz + initrd don't exist
+                let usr_lib_mod = Path::new("/usr/lib/modules").join(version);
+                assert!(usr_lib_mod.exists(), "'{usr_lib_mod:?}' does not exist");
+                assert!(
+                    !usr_lib_mod.join("vmlinuz").exists(),
+                    "vmlinuz should not exist for UKI"
+                );
+                assert!(
+                    !usr_lib_mod.join("initramfs.img").exists(),
+                    "initramfs should not exist for UKI"
+                );
             }
             o => eprintln!("notice: Unhandled variant for kernel check: {o:?}"),
         }