chore: various improvements to tests (#21222)

1 files changed, 4 insertions, 9 deletions

diff --git a/cli/tests/integration/flags_tests.rs b/cli/tests/integration/flags_tests.rs
index 695283aca..89a8978dd 100644
--- a/cli/tests/integration/flags_tests.rs
+++ b/cli/tests/integration/flags_tests.rs
@@ -1,7 +1,7 @@
 // Copyright 2018-2023 the Deno authors. All rights reserved. MIT license.
 
-use std::process::Stdio;
 use test_util as util;
+use util::assert_contains;
 
 #[test]
 fn help_flag() {
@@ -20,14 +20,9 @@ fn help_output() {
   let output = util::deno_cmd()
     .current_dir(util::testdata_path())
     .arg("--help")
-    .stdout(Stdio::piped())
-    .spawn()
-    .unwrap()
-    .wait_with_output()
-    .unwrap();
+    .run();
 
-  assert!(output.status.success());
-  let stdout = std::str::from_utf8(&output.stdout).unwrap();
+  let stdout = output.combined_output();
   let subcommand_descriptions = vec![
     "Run a JavaScript or TypeScript program",
     "Run benchmarks",
@@ -56,7 +51,7 @@ fn help_output() {
   ];
 
   for description in subcommand_descriptions {
-    assert!(stdout.contains(description));
+    assert_contains!(stdout, description);
   }
 }