4 files changed, 29 insertions, 0 deletions
diff --git a/cli/tests/integration/run_tests.rs b/cli/tests/integration/run_tests.rs
index 3f2b8d81f..6baa408e9 100644
--- a/cli/tests/integration/run_tests.rs
+++ b/cli/tests/integration/run_tests.rs
@@ -3379,6 +3379,9 @@ async fn test_resolve_dns() {
       .unwrap();
     let err = String::from_utf8_lossy(&output.stderr);
     let out = String::from_utf8_lossy(&output.stdout);
+    if !output.status.success() {
+      eprintln!("stderr: {err}");
+    }
     assert!(output.status.success());
     assert!(err.starts_with("Check file"));
 
diff --git a/cli/tests/integration/vendor_tests.rs b/cli/tests/integration/vendor_tests.rs
index cd2f7f12e..1f159fe80 100644
--- a/cli/tests/integration/vendor_tests.rs
+++ b/cli/tests/integration/vendor_tests.rs
@@ -478,6 +478,14 @@ fn dynamic_non_analyzable_import() {
   assert!(output.status.success());
 }
 
+itest!(dynamic_non_existent {
+  args: "vendor http://localhost:4545/vendor/dynamic_non_existent.ts",
+  temp_cwd: true,
+  exit_code: 0,
+  http_server: true,
+  output: "vendor/dynamic_non_existent.ts.out",
+});
+
 #[test]
 fn update_existing_config_test() {
   let _server = http_server();
diff --git a/cli/tests/testdata/vendor/dynamic_non_existent.ts b/cli/tests/testdata/vendor/dynamic_non_existent.ts
new file mode 100644
index 000000000..a48e2accb
--- /dev/null
+++ b/cli/tests/testdata/vendor/dynamic_non_existent.ts
@@ -0,0 +1,11 @@
+// this should still vendor
+// deno-lint-ignore no-constant-condition
+if (false) {
+  await import("./non-existent.js");
+}
+
+export class Logger {
+  log(text: string) {
+    console.log(text);
+  }
+}
diff --git a/cli/tests/testdata/vendor/dynamic_non_existent.ts.out b/cli/tests/testdata/vendor/dynamic_non_existent.ts.out
new file mode 100644
index 000000000..a1b2ade81
--- /dev/null
+++ b/cli/tests/testdata/vendor/dynamic_non_existent.ts.out
@@ -0,0 +1,7 @@
+Download http://localhost:4545/vendor/dynamic_non_existent.ts
+Download http://localhost:4545/vendor/non-existent.js
+Ignoring: Dynamic import not found "http://localhost:4545/vendor/non-existent.js".
+    at http://localhost:4545/vendor/dynamic_non_existent.ts:4:16
+Vendored 1 module into vendor/ directory.
+
+To use vendored modules, specify the `--import-map vendor/import_map.json` flag when invoking Deno subcommands or add an `"importMap": "<path_to_vendored_import_map>"` entry to a deno.json file.