fix printf macos + rg (#403)

Author: Anton-4

ci/check_all_exposed_funs_tested.roc

@@ -19,6 +19,9 @@ err_s = |err_msg| Err(StrErr(err_msg))
 
 main! : List Arg => Result {} _
 main! = |_args|
+    # Check if ripgrep is installed
+    _ = Cmd.exec!("rg", ["--version"]) ? |err| RipgrepNotInstalled(err)
+
     cwd = Env.cwd!({}) ? |err| FailedToGetCwd(err)
     Stdout.line!("Current working directory: ${Path.display(cwd)}")?
 
@@ -105,9 +108,6 @@ is_function_unused! = |module_name, function_name|
                     err_s("Error checking directory '${search_dir}': ${Inspect.to_str(err)}")
     )?
 
-    # Check if ripgrep is installed
-    _ = Cmd.exec!("rg", ["--version"]) ? |err| RipgrepNotInstalled(err)
-
 
     unused_in_dir =
         search_dirs

tests/cmd-test.roc

@@ -51,9 +51,9 @@ main! = |_args|
     # Test StdoutContainsInvalidUtf8 - using printf to output invalid UTF-8 bytes
     expect_err(
         Cmd.new("printf")
-        |> Cmd.arg("\\xff\\xfe")  # Invalid UTF-8 sequence
+        |> Cmd.args(["%b", "\\xff\\xfe"])  # Invalid UTF-8 sequence
         |> Cmd.exec_output!,
-        "(Err (StdoutContainsInvalidUtf8 {cmd_str: \"{ cmd: printf, args: \\xff\\xfe }\", err: (BadUtf8 {index: 0, problem: InvalidStartByte})}))"
+        "(Err (StdoutContainsInvalidUtf8 {cmd_str: \"{ cmd: printf, args: %b \\xff\\xfe }\", err: (BadUtf8 {index: 0, problem: InvalidStartByte})}))"
     )?
 
     # exec_output_bytes!