fix tests

codex-rs/core/src/shell.rs

@@ -41,7 +41,10 @@ impl Shell {
                 ]
             }
             ShellType::PowerShell => {
-                let mut args = vec![self.shell_path.to_string_lossy().to_string()];
+                let mut args = vec![
+                    self.shell_path.to_string_lossy().to_string(),
+                    "-NoLogo".to_string(),
+                ];
                 if !use_login_shell {
                     args.push("-NoProfile".to_string());
                 }
@@ -442,11 +445,17 @@ mod tests {
         };
         assert_eq!(
             test_powershell_shell.derive_exec_args("echo hello", false),
-            vec!["pwsh.exe", "-NoProfile", "-Command", "echo hello"]
+            vec![
+                "pwsh.exe",
+                "-NoLogo",
+                "-NoProfile",
+                "-Command",
+                "echo hello"
+            ]
         );
         assert_eq!(
             test_powershell_shell.derive_exec_args("echo hello", true),
-            vec!["pwsh.exe", "-Command", "echo hello"]
+            vec!["pwsh.exe", "-NoLogo", "-Command", "echo hello"]
         );
     }
 

codex-rs/core/src/tools/handlers/unified_exec.rs

@@ -309,8 +309,9 @@ mod tests {
 
         let command = get_command(&args);
 
-        assert_eq!(command.len(), 3);
-        assert_eq!(command[2], "echo hello");
+        let expected_command_len = if cfg!(windows) { 4 } else { 3 };
+        assert_eq!(command.len(), expected_command_len);
+        assert_eq!(command.last().unwrap(), "echo hello");
     }
 
     #[test]
@@ -338,7 +339,7 @@ mod tests {
 
         let command = get_command(&args);
 
-        assert_eq!(command[2], "echo hello");
+        assert_eq!(command.last().unwrap(), "echo hello");
     }
 
     #[test]